Fixed all the reported issues by the Unit testing.

-Added: Improved Map documentation for compute methods
-Added: Dedicated toArray implementations to TreeSets

Changelog.md

@@ -1,5 +1,19 @@
 # Changelog of versions
 
+### Version 0.8.1
+- Added: getFirst/getLast/removeFirst/removeLast to List.class.
+- Added: Dedicated Set toArray implementations.
+- Added: ToArray/pushTop functions to Stack.class.
+- Added: ComputeNonDefault functions which will contain the current behavior of the Compute function, while the Compute will be changed to be more java compliant!
+- Added: List.reversed, which returns a SubList that has all elements in reversed order and also inserts reversed.
+- Fixed: SetValue wasn't working on forEach implementations.
+- Fixed: Compute functions now perform with primitives more java compliant. Meaning that getDefaultReturnValue function no longer is seen as null.
+
+### Version 0.8.0
+- Added: getFirst/getLast/removeFirst/removeLast to Lists
+- Added: Dedicated implementations for toArray into TreeSets
+- Fixed: forEach methods in Maps now can use "setValue" functions.
+
 ### Version 0.8.0
 - Added: ISizeProvider interface (Optimization Helper)
 - Added: ISizeProvider into most Iterable implementations (Distinct/Filter/FlatMap/ArrayFlatMap don't support it, for obvious reasons)

build.gradle

@@ -83,6 +83,14 @@ task generateTestSource(type: JavaExec) {
  	args = ['tests', 'silent']
 }
 
+task forceGenerateTestSource(type: JavaExec) {
+	group = 'internal'
+	description = 'Builds the sourcecode for the Tests'
+ 	classpath = sourceSets.builder.runtimeClasspath
+ 	main = 'speiger.src.builder.PrimitiveCollectionsBuilder'
+ 	args = ['tests', 'silent', 'force']
+}
+
 task generateLimitSource(type: JavaExec) {
 	group = 'internal'
 	description = 'Builds the Sourcecode with the ModuleSettings.json applied'
@@ -121,7 +129,7 @@ task testBooleans(type: Test) {
 	}
 	useJUnit()
 	ignoreFailures = true
-	maxHeapSize = "1024m"
+	maxHeapSize = maxMemory
 }
 
 task testBytes(type: Test) {
@@ -133,8 +141,8 @@ task testBytes(type: Test) {
 	}
 	useJUnit()
 	ignoreFailures = true
-	maxHeapSize = "1024m"
-	maxParallelForks = 2
+	maxHeapSize = maxMemory
+	maxParallelForks = testThreads as Integer
 }
 
 task testShorts(type: Test) {
@@ -146,8 +154,8 @@ task testShorts(type: Test) {
 	}
 	useJUnit()
 	ignoreFailures = true
-	maxHeapSize = "1024m"
-	maxParallelForks = 2
+	maxHeapSize = maxMemory
+	maxParallelForks = testThreads as Integer
 }
 
 task testChars(type: Test) {
@@ -159,8 +167,8 @@ task testChars(type: Test) {
 	}
 	useJUnit()
 	ignoreFailures = true
-	maxHeapSize = "1024m"
-	maxParallelForks = 2
+	maxHeapSize = maxMemory
+	maxParallelForks = testThreads as Integer
 }
 
 task testInts(type: Test) {
@@ -172,8 +180,8 @@ task testInts(type: Test) {
 	}
 	useJUnit()
 	ignoreFailures = true
-	maxHeapSize = "1024m"
-	maxParallelForks = 2
+	maxHeapSize = maxMemory
+	maxParallelForks = testThreads as Integer
 }
 
 task testLongs(type: Test) {
@@ -185,8 +193,8 @@ task testLongs(type: Test) {
 	}
 	useJUnit()
 	ignoreFailures = true
-	maxHeapSize = "1024m"
-	maxParallelForks = 2
+	maxHeapSize = maxMemory
+	maxParallelForks = testThreads as Integer
 }
 
 task testFloats(type: Test) {
@@ -198,8 +206,8 @@ task testFloats(type: Test) {
 	}
 	useJUnit()
 	ignoreFailures = true
-	maxHeapSize = "1024m"
-	maxParallelForks = 2
+	maxHeapSize = maxMemory
+	maxParallelForks = testThreads as Integer
 }
 
 task testDoubles(type: Test) {
@@ -211,8 +219,8 @@ task testDoubles(type: Test) {
 	}
 	useJUnit()
 	ignoreFailures = true
-	maxHeapSize = "1024m"
-	maxParallelForks = 2
+	maxHeapSize = maxMemory
+	maxParallelForks = testThreads as Integer
 }
 
 task testObjects(type: Test) {
@@ -224,8 +232,8 @@ task testObjects(type: Test) {
 	}
 	useJUnit()
 	ignoreFailures = true
-	maxHeapSize = "1024m"
-	maxParallelForks = 2
+	maxHeapSize = maxMemory
+	maxParallelForks = testThreads as Integer
 }
 
 if(System.getProperty("full_test_suite", "false").toBoolean()) {
@@ -248,7 +256,7 @@ test {
 	}
 	useJUnit()
 	ignoreFailures = true
-	maxHeapSize = "1024m"
+	maxHeapSize = maxMemory
 }
 
 jacocoTestReport {

gradle.properties

@@ -1 +1,4 @@
 org.gradle.jvmargs=-Xmx3G
+
+maxMemory = 1024m
+testThreads = 2

src/builder/java/speiger/src/builder/modules/ListModule.java

@@ -69,7 +69,10 @@ public class ListModule extends BaseModule
 	protected void loadFunctions()
 	{
 		addFunctionMapper("GET_KEY", "get");
-		addFunctionMapper("REMOVE_LAST", "removeLast");
+		addFunctionMapper("GET_FIRST_KEY", "getFirst");
+		addFunctionMapper("GET_LAST_KEY", "getLast");
+		addFunctionMapper("REMOVE_FIRST_KEY", "removeFirst");
+		addFunctionMapper("REMOVE_LAST_KEY", "removeLast");
 		addFunctionMapper("REMOVE_SWAP", "swapRemove");
 		addFunctionMappers("REPLACE", keyType.isObject() ? "replaceObjects" : "replace%ss");
 		addFunctionMappers("SORT", "sort%ss");

src/builder/resources/speiger/assets/collections/templates/collections/AbstractCollection.template

@@ -10,8 +10,8 @@ import java.util.function.Consumer;
 #if !TYPE_OBJECT
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 import speiger.src.collections.PACKAGE.utils.ITERATORS;
-#endif
 import speiger.src.collections.PACKAGE.utils.ARRAYS;
+#endif
 
 /**
  * Abstract Type Specific Collection that reduces boxing/unboxing

src/builder/resources/speiger/assets/collections/templates/collections/Collection.template

@@ -179,6 +179,7 @@ public interface COLLECTION KEY_GENERIC_TYPE extends Collection<CLASS_TYPE>, ITE
 	/**
 	 * A Helper function that simplifies the process of creating a new Array.
 	 * @param action the array creation function
+	 * @param <E> the returning arrayType
 	 * @return an array containing all of the elements in this collection
 	 * @see Collection#toArray(Object[])
 	 */

src/builder/resources/speiger/assets/collections/templates/collections/Iterable.template

@@ -298,6 +298,7 @@ public interface ITERABLE KEY_GENERIC_TYPE extends Iterable<CLASS_TYPE>
 	/**
 	 * A Helper function that reduces the usage of streams and allows to collect all elements as a Array
 	 * @param action is the creator function of said Array to ensure type is kept.
+	 * @param <E> the returning arrayType
 	 * @return a new Array of all elements
 	 */
 	default <E> E[] TO_ARRAY(IntFunction<E[]> action) {

src/builder/resources/speiger/assets/collections/templates/collections/Stack.template

@@ -1,5 +1,7 @@
 package speiger.src.collections.PACKAGE.collections;
 
+import java.util.NoSuchElementException;
+
 import speiger.src.collections.utils.Stack;
 
 /**
@@ -14,6 +16,14 @@ public interface STACK
 	 */
 	public void push(KEY_TYPE e);
 	
+	/**
+	 * Helper function that pushes the top element on top of the stack again.
+	 * @throws NoSuchElementException if the stack is empty
+	 */
+	public default void pushTop() {
+		push(top());
+	}
+	
 	/**
 	 * Removes the Object on top of the stack.
 	 * @return the element that is on top of the stack
@@ -59,4 +69,19 @@ public interface STACK
 	public default boolean isEmpty() {
 		return size() == 0;
 	}
+	
+	/**
+	 * A method to drop the contents of the Stack without clearing the stack
+	 * @Type(E)
+	 * @return the contents of the stack into a seperate array.
+	 */
+	public default GENERIC_SPECIAL_KEY_BRACES<E> KEY_SPECIAL_TYPE[] TO_ARRAY() { return TO_ARRAY(NEW_SPECIAL_KEY_ARRAY(size())); }
+	/**
+	 * A method to drop the contents of the Stack without clearing the stack
+	 * @param input where the elements should be inserted to. If it does not fit then it creates a new appropiatly created array
+	 * @Type(E)
+	 * @return the contents of the stack into a seperate array.
+	 * @note if the Type is generic then a Object Array is created instead of a Type Array
+	 */
+	public GENERIC_SPECIAL_KEY_BRACES<E> KEY_SPECIAL_TYPE[] TO_ARRAY(KEY_SPECIAL_TYPE[] input);
 }

src/builder/resources/speiger/assets/collections/templates/lists/AbstractList.template

@@ -1,10 +1,12 @@
 package speiger.src.collections.PACKAGE.lists;
 
 import java.util.Collection;
+import java.util.Iterator;
 import java.util.List;
 import java.util.ListIterator;
 import java.util.NoSuchElementException;
 import java.util.Objects;
+import java.util.RandomAccess;
 
 import speiger.src.collections.PACKAGE.collections.ABSTRACT_COLLECTION;
 import speiger.src.collections.PACKAGE.collections.COLLECTION;
@@ -66,8 +68,7 @@ public abstract class ABSTRACT_LIST KEY_GENERIC_TYPE extends ABSTRACT_COLLECTION
 	 */
 	@Override
 	@Deprecated
-	public boolean addAll(Collection<? extends CLASS_TYPE> c)
-	{
+	public boolean addAll(Collection<? extends CLASS_TYPE> c) {
 		return c instanceof COLLECTION ? addAll((COLLECTION KEY_GENERIC_TYPE)c) : addAll(size(), c);
 	}
 	
@@ -221,6 +222,11 @@ public abstract class ABSTRACT_LIST KEY_GENERIC_TYPE extends ABSTRACT_COLLECTION
 		return new SubList(this, 0, fromIndex, toIndex);
 	}
 	
+	@Override
+	public LIST KEY_GENERIC_TYPE reversed() {
+		return new ReversedList(this);
+	}
+	
 	@Override
 	public ITERATOR KEY_GENERIC_TYPE iterator() {
 		return listIterator(0);
@@ -245,6 +251,138 @@ public abstract class ABSTRACT_LIST KEY_GENERIC_TYPE extends ABSTRACT_COLLECTION
 	
 	public ABSTRACT_LIST KEY_GENERIC_TYPE copy() { throw new UnsupportedOperationException(); }
 	
+	private class ReversedList extends ABSTRACT_LIST KEY_GENERIC_TYPE
+	{
+		final ABSTRACT_LIST KEY_GENERIC_TYPE list;
+		
+		public ReversedList(ABSTRACT_LIST KEY_GENERIC_TYPE list) {
+			this.list = list;
+		}
+
+		@Override
+		public void add(int index, KEY_TYPE e) {
+			list.add(list.size() - index - 1, e);
+		}
+		
+		@Override
+		public boolean addAll(int index, COLLECTION KEY_GENERIC_TYPE c) {
+			return addCollection(index, c);
+		}
+		
+		@Override
+		public boolean addAll(int index, LIST KEY_GENERIC_TYPE c) {
+			if(c instanceof RandomAccess) {
+				for(int i = 0,m=c.size();i<m;i++) {
+					list.add(list.size() - index - i - 1, c.GET_KEY(i));
+				}
+				return true;
+			}
+			return addCollection(index, c);
+		}
+		
+		private boolean addCollection(int index, COLLECTION KEY_GENERIC_TYPE c) {
+			int i = 0;
+			for(ITERATOR KEY_GENERIC_TYPE iter = c.iterator();iter.hasNext();i++) {
+				list.add(list.size() - index - i - 1, iter.NEXT());
+			}
+			return true;
+		}
+		
+		@Override
+		public boolean addAll(int index, Collection<? extends CLASS_TYPE> c) {
+			int i = 0;
+			for(Iterator<? extends CLASS_TYPE> iter = c.iterator();iter.hasNext();i++) {
+				list.add(list.size() - index - i - 1, iter.next());
+			}
+			return true;
+		}
+		
+		@Override
+		public KEY_TYPE GET_KEY(int index) {
+			return list.GET_KEY(list.size() - index - 1);
+		}
+
+		@Override
+		public KEY_TYPE set(int index, KEY_TYPE e) {
+			return list.set(list.size() - index - 1, e);
+		}
+
+		@Override
+		public KEY_TYPE REMOVE(int index) {
+			return list.REMOVE(list.size() - index - 1);
+		}
+		
+		@Override
+		public void addElements(int from, KEY_TYPE[] a, int offset, int length) {
+			for(int i = 0,m=length;i<m;i++) {
+				list.add(list.size() - from - i - 1, a[i+offset]);
+			}
+		}
+		
+		@Override
+		public KEY_TYPE[] getElements(int from, KEY_TYPE[] a, int offset, int length) {
+			return reverse(list.getElements(list.size() - from - 1, a, offset, length));
+		}
+
+		@Override
+		public void removeElements(int from, int to) {
+			list.removeElements(list.size() - to - 1, list.size() - from - 1);
+		}
+
+		@Override
+		public KEY_TYPE swapRemove(int index) {
+			return list.swapRemove(list.size() - index - 1);
+		}
+#if TYPE_OBJECT
+		@Override
+		public <K> K[] extractElements(int from, int to, Class<K> type) {
+			return reverse(list.extractElements(list.size() - to - 1, list.size() - from - 1, type));
+		}
+		
+#else
+		@Override
+		public KEY_TYPE[] extractElements(int from, int to) {
+			return reverse(list.extractElements(list.size() - to - 1, list.size() - from - 1));
+		}
+		
+#endif
+		@Override
+		public int size() {
+			return list.size();
+		}
+		
+		@Override
+		public void clear() {
+			list.clear();
+		}
+		
+		@Override
+		public LIST KEY_GENERIC_TYPE reversed() {
+			return list;
+		}
+		
+#if TYPE_OBJECT
+		private <K> K[] reverse(K[] data) {
+			for (int i = 0, mid = data.length >> 1, j = data.length - 1; i < mid; i++, j--) {
+				K t = data[i];
+				data[i] = data[j];
+				data[j] = t;
+			}
+			return data;
+		}
+#else
+		private KEY_TYPE[] reverse(KEY_TYPE[] data) {
+			for (int i = 0, mid = data.length >> 1, j = data.length - 1; i < mid; i++, j--) {
+				KEY_TYPE t = data[i];
+				data[i] = data[j];
+				data[j] = t;
+			}
+			return data;
+		}
+	
+#endif
+	}
+	
 	private class SubList extends ABSTRACT_LIST KEY_GENERIC_TYPE
 	{
 		final ABSTRACT_LIST KEY_GENERIC_TYPE list;

src/builder/resources/speiger/assets/collections/templates/lists/ArrayList.template

@@ -13,6 +13,7 @@ import java.util.function.Consumer;
 #endif
 
 import java.util.function.BiFunction;
+import java.util.function.IntFunction;
 #endif
 #if !TYPE_OBJECT && JDK_FUNCTION
 import java.util.function.PREDICATE;
@@ -41,7 +42,9 @@ import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUME
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
 #endif
 import speiger.src.collections.PACKAGE.functions.function.UNARY_OPERATOR;
+#if !TYPE_OBJECT
 import speiger.src.collections.PACKAGE.utils.ARRAYS;
+#endif
 import speiger.src.collections.objects.utils.ObjectArrays;
 import speiger.src.collections.PACKAGE.utils.ITERATORS;
 #if TYPE_OBJECT
@@ -1078,6 +1081,12 @@ public class ARRAY_LIST KEY_GENERIC_TYPE extends ABSTRACT_LIST KEY_GENERIC_TYPE
 		return a;
 	}
 	
+#else
+	@Override
+	public <E> E[] toArray(IntFunction<E[]> action) {
+		return super.toArray(action);
+	}
+	
 #endif
 	/**
 	 * A function to return the size of the list

src/builder/resources/speiger/assets/collections/templates/lists/CopyOnWriteList.template

@@ -13,6 +13,7 @@ import java.util.function.Consumer;
 import java.util.function.Supplier;
 #if TYPE_OBJECT
 import java.util.function.BiFunction;
+import java.util.function.IntFunction;
 #endif
 #if !TYPE_OBJECT && JDK_FUNCTION
 import java.util.function.PREDICATE;
@@ -41,7 +42,9 @@ import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUME
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
 #endif
 import speiger.src.collections.PACKAGE.functions.function.UNARY_OPERATOR;
+#if !TYPE_OBJECT
 import speiger.src.collections.PACKAGE.utils.ARRAYS;
+#endif
 import speiger.src.collections.objects.utils.ObjectArrays;
 import speiger.src.collections.PACKAGE.utils.ITERATORS;
 #if TYPE_OBJECT
@@ -1329,6 +1332,11 @@ public class COPY_ON_WRITE_LIST KEY_GENERIC_TYPE extends ABSTRACT_LIST KEY_GENER
 		if (a.length > size) a[size] = EMPTY_KEY_VALUE;
 		return a;
 	}
+#else
+	@Override
+	public <E> E[] toArray(IntFunction<E[]> action) {
+		return super.toArray(action);
+	}
 	
 #endif
 	

src/builder/resources/speiger/assets/collections/templates/lists/LinkedList.template

@@ -53,7 +53,9 @@ import speiger.src.collections.PACKAGE.functions.COMPARATOR;
 
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 #endif
+#if !TYPE_OBJECT
 import speiger.src.collections.PACKAGE.utils.ARRAYS;
+#endif
 import speiger.src.collections.objects.utils.ObjectArrays;
 #if TYPE_OBJECT
 import speiger.src.collections.utils.Stack;
@@ -312,21 +314,43 @@ public class LINKED_LIST KEY_GENERIC_TYPE extends ABSTRACT_LIST KEY_GENERIC_TYPE
 #if DEQUEUE_FEATURE
 	@Override
 	public KEY_TYPE first() {
+		return GET_FIRST_KEY();
+	}
+	
+	@Override
+	public KEY_TYPE last() {
+		return GET_LAST_KEY();
+	}
+	
+#endif
+	@Override
+	public KEY_TYPE GET_FIRST_KEY() {
 		if(first == null) throw new NoSuchElementException();
 		return first.value;
 	}
 	
 	@Override
-	public KEY_TYPE last() {
+	public KEY_TYPE GET_LAST_KEY() {
 		if(last == null) throw new NoSuchElementException();
 		return last.value;
 	}
 	
-#endif
+	@Override
+	public KEY_TYPE REMOVE_FIRST_KEY() {
+		if(first == null) throw new NoSuchElementException();
+		return unlinkFirst(first);
+	}
+	
+	@Override
+	public KEY_TYPE REMOVE_LAST_KEY() {
+		return pop();
+	}
+	
 	@Override
 	public KEY_TYPE peek(int index) {
 		return GET_KEY((size() - 1) - index);
 	}
+	
 	@Override
 	public KEY_TYPE GET_KEY(int index) {
 		checkRange(index);
@@ -1144,8 +1168,7 @@ public class LINKED_LIST KEY_GENERIC_TYPE extends ABSTRACT_LIST KEY_GENERIC_TYPE
 		Entry KEY_GENERIC_TYPE prev;
 		Entry KEY_GENERIC_TYPE next;
 		
-		public Entry(KEY_TYPE value, Entry KEY_GENERIC_TYPE prev, Entry KEY_GENERIC_TYPE next)
-		{
+		public Entry(KEY_TYPE value, Entry KEY_GENERIC_TYPE prev, Entry KEY_GENERIC_TYPE next) {
 			this.value = value;
 			this.prev = prev;
 			this.next = next;

src/builder/resources/speiger/assets/collections/templates/lists/List.template

@@ -98,6 +98,46 @@ public interface LIST KEY_GENERIC_TYPE extends COLLECTION KEY_GENERIC_TYPE, List
 	 */
 	public boolean addAll(int index, LIST KEY_GENERIC_TYPE c);
 	
+	/**
+	 * Helper method that returns the first element of a List.
+	 * This function was introduced due to how annoying it is to get/remove the last element of a list.
+	 * This simplifies this process a bit.
+	 * @return first element of the list
+	 */
+	public default KEY_TYPE GET_FIRST_KEY() {
+		return GET_KEY(0);
+	}
+	
+	/**
+	 * Helper method that returns the last element of a List.
+	 * This function was introduced due to how annoying it is to get/remove the last element of a list.
+	 * This simplifies this process a bit.
+	 * @return last element of the list
+	 */
+	public default KEY_TYPE GET_LAST_KEY() {
+		return GET_KEY(size() - 1);
+	}
+	
+	/**
+	 * Helper method that removes and returns the first element of a List.
+	 * This function was introduced due to how annoying it is to get/remove the last element of a list.
+	 * This simplifies this process a bit.
+	 * @return first element of the list and removes it
+	 */
+	public default KEY_TYPE REMOVE_FIRST_KEY() {
+		return REMOVE(0);
+	}
+	
+	/**
+	 * Helper method that removes and returns the last element of a List.
+	 * This function was introduced due to how annoying it is to get/remove the last element of a list.
+	 * This simplifies this process a bit.
+	 * @return last element of the list and removes it
+	 */
+	public default KEY_TYPE REMOVE_LAST_KEY() {
+		return REMOVE(size() - 1);
+	}
+	
 #if !TYPE_OBJECT
 	/**
 	 * A Type-Specific get function to reduce (un)boxing
@@ -392,6 +432,12 @@ public interface LIST KEY_GENERIC_TYPE extends COLLECTION KEY_GENERIC_TYPE, List
 	@Override
 	public LIST KEY_GENERIC_TYPE subList(int from, int to);
 	
+	/**
+	 * A Type-Specific List Helper that shows all elements in reverse.
+	 * @return a list wrapper that has all elements reversed!
+	 */
+	public LIST KEY_GENERIC_TYPE reversed();
+	
 #if LISTS_FEATURE
 	/**
 	 * Creates a Wrapped List that is Synchronized

src/builder/resources/speiger/assets/collections/templates/maps/abstracts/AbstractMap.template

@@ -201,6 +201,26 @@ public abstract class ABSTRACT_MAP KEY_VALUE_GENERIC_TYPE extends AbstractMap<CL
 	@Override
 	public VALUE_TYPE COMPUTE(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
 		Objects.requireNonNull(mappingFunction);
+#if !VALUE_OBJECT
+		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, GET_VALUE(key));
+#else
+		VALUE_TYPE value = GET_VALUE(key);
+		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, value);
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			if(VALUE_EQUALS_NOT(value, getDefaultReturnValue()) || containsKey(key)) {
+				remove(key);
+				return getDefaultReturnValue();
+			}
+			return getDefaultReturnValue();
+		}
+#endif
+		put(key, newValue);
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTENonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
 		VALUE_TYPE value = GET_VALUE(key);
 		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, value);
 		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
@@ -217,6 +237,29 @@ public abstract class ABSTRACT_MAP KEY_VALUE_GENERIC_TYPE extends AbstractMap<CL
 	@Override
 	public VALUE_TYPE COMPUTE_IF_ABSENT(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) {
 		Objects.requireNonNull(mappingFunction);
+#if VALUE_OBJECT
+		VALUE_TYPE value;
+		if((value = GET_VALUE(key)) == getDefaultReturnValue() || !containsKey(key)) {
+			VALUE_TYPE newValue = mappingFunction.APPLY(key);
+			if(VALUE_EQUALS_NOT(newValue, getDefaultReturnValue())) {
+				put(key, newValue);
+				return newValue;
+			}
+		}
+		return value;
+#else
+		if(!containsKey(key)) {
+			VALUE_TYPE newValue = mappingFunction.APPLY(key);
+			put(key, newValue);
+			return newValue;
+		}
+		return get(key);
+#endif
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTE_IF_ABSENTNonDefault(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
 		VALUE_TYPE value;
 		if((value = GET_VALUE(key)) == getDefaultReturnValue() || !containsKey(key)) {
 			VALUE_TYPE newValue = mappingFunction.APPLY(key);
@@ -231,6 +274,29 @@ public abstract class ABSTRACT_MAP KEY_VALUE_GENERIC_TYPE extends AbstractMap<CL
 	@Override
 	public VALUE_TYPE SUPPLY_IF_ABSENT(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) {
 		Objects.requireNonNull(valueProvider);
+#if VALUE_OBJECT
+		VALUE_TYPE value;
+		if((value = GET_VALUE(key)) == getDefaultReturnValue() || !containsKey(key)) {
+			VALUE_TYPE newValue = valueProvider.VALUE_SUPPLY_GET();
+			if(VALUE_EQUALS_NOT(newValue, getDefaultReturnValue())) {
+				put(key, newValue);
+				return newValue;
+			}
+		}
+		return value;
+#else
+		if(!containsKey(key)) {
+			VALUE_TYPE newValue = valueProvider.VALUE_SUPPLY_GET();
+			put(key, newValue);
+			return newValue;
+		}
+		return get(key);
+#endif
+	}
+	
+	@Override
+	public VALUE_TYPE SUPPLY_IF_ABSENTNonDefault(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) {
+		Objects.requireNonNull(valueProvider);
 		VALUE_TYPE value;
 		if((value = GET_VALUE(key)) == getDefaultReturnValue() || !containsKey(key)) {
 			VALUE_TYPE newValue = valueProvider.VALUE_SUPPLY_GET();
@@ -245,6 +311,29 @@ public abstract class ABSTRACT_MAP KEY_VALUE_GENERIC_TYPE extends AbstractMap<CL
 	@Override
 	public VALUE_TYPE COMPUTE_IF_PRESENT(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
 		Objects.requireNonNull(mappingFunction);
+#if VALUE_OBJECT
+		VALUE_TYPE value;
+		if(VALUE_EQUALS_NOT((value = GET_VALUE(key)), getDefaultReturnValue()) || containsKey(key)) {
+			VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, value);
+			if(VALUE_EQUALS_NOT(newValue, getDefaultReturnValue())) {
+				put(key, newValue);
+				return newValue;
+			}
+			remove(key);
+		}
+#else
+		if(containsKey(key)) {
+			VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, GET_VALUE(key));
+			put(key, newValue);
+			return newValue;
+		}
+#endif
+		return getDefaultReturnValue();
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTE_IF_PRESENTNonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
 		VALUE_TYPE value;
 		if(VALUE_EQUALS_NOT((value = GET_VALUE(key)), getDefaultReturnValue()) || containsKey(key)) {
 			VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, value);

src/builder/resources/speiger/assets/collections/templates/maps/impl/concurrent/ConcurrentOpenHashMap.template

@@ -27,10 +27,12 @@ import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 #if !TYPE_OBJECT && !VALUE_OBJECT
 import speiger.src.collections.ints.functions.consumer.IntObjectConsumer;
 #endif
-#if !SAME_TYPE
+#if !SAME_TYPE && !TYPE_INT
 import speiger.src.collections.ints.functions.consumer.VALUE_BI_FROM_INT_CONSUMER;
 #endif
+#if !TYPE_INT || !SAME_TYPE
 import speiger.src.collections.PACKAGE.functions.consumer.BI_CONSUMER;
+#endif
 #if !VALUE_BOOLEAN || !JDK_TYPE
 import speiger.src.collections.PACKAGE.functions.function.FUNCTION;
 #endif
@@ -516,6 +518,13 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 		return getSegment(hash).compute(hash, key, mappingFunction);
 	}
 	
+	@Override
+	public VALUE_TYPE COMPUTENonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
+		int hash = getHashCode(key);
+		return getSegment(hash).computeNonDefault(hash, key, mappingFunction);
+	}
+
 	@Override
 	public VALUE_TYPE COMPUTE_IF_ABSENT(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) {
 		Objects.requireNonNull(mappingFunction);
@@ -523,6 +532,13 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 		return getSegment(hash).computeIfAbsent(hash, key, mappingFunction);
 	}
 	
+	@Override
+	public VALUE_TYPE COMPUTE_IF_ABSENTNonDefault(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
+		int hash = getHashCode(key);
+		return getSegment(hash).computeIfAbsentNonDefault(hash, key, mappingFunction);
+	}
+
 	@Override
 	public VALUE_TYPE SUPPLY_IF_ABSENT(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) {
 		Objects.requireNonNull(valueProvider);
@@ -530,6 +546,13 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 		return getSegment(hash).supplyIfAbsent(hash, key, valueProvider);
 	}
 	
+	@Override
+	public VALUE_TYPE SUPPLY_IF_ABSENTNonDefault(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) {
+		Objects.requireNonNull(valueProvider);
+		int hash = getHashCode(key);
+		return getSegment(hash).supplyIfAbsentNonDefault(hash, key, valueProvider);
+	}
+	
 	@Override
 	public VALUE_TYPE COMPUTE_IF_PRESENT(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
 		Objects.requireNonNull(mappingFunction);
@@ -537,6 +560,13 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 		return getSegment(hash).computeIfPresent(hash, key, mappingFunction);
 	}
 	
+	@Override
+	public VALUE_TYPE COMPUTE_IF_PRESENTNonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
+		int hash = getHashCode(key);
+		return getSegment(hash).computeIfPresentNonDefault(hash, key, mappingFunction);
+	}
+	
 	@Override
 	public VALUE_TYPE MERGE(KEY_TYPE key, VALUE_TYPE value, VALUE_UNARY_OPERATOR VALUE_VALUE_GENERIC_TYPE mappingFunction) {
 		Objects.requireNonNull(mappingFunction);
@@ -650,7 +680,7 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 				try {
 					int index = seg.firstIndex;
 					while(index != -1){
-						action.accept(new BasicEntryKV_BRACES(seg.keys[index], seg.values[index]));
+						action.accept(new ValueMapEntry(index, i));
 						index = (int)seg.links[index];
 					}					
 				}
@@ -662,14 +692,14 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 		
 		@Override
 		public void fastForEach(Consumer<? super MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			for(int i = 0,m=segments.length;i<m;i++) {
 				Segment KEY_VALUE_GENERIC_TYPE seg = segments[i];
 				long stamp = seg.readLock();
 				try {
 					int index = seg.firstIndex;
 					while(index != -1){
-						entry.set(seg.keys[index], seg.values[index]);
+						entry.set(index, i);
 						action.accept(entry);
 						index = (int)seg.links[index];
 					}					
@@ -690,7 +720,7 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 				try {
 					int index = seg.firstIndex;
 					while(index != -1) {
-						action.accept(count++, new BasicEntryKV_BRACES(seg.keys[index], seg.values[index]));
+						action.accept(count++, new ValueMapEntry(index, i));
 						index = (int)seg.links[index];
 					}					
 				}
@@ -709,7 +739,7 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 				try {
 					int index = seg.firstIndex;
 					while(index != -1) {
-						action.accept(input, new BasicEntryKV_BRACES(seg.keys[index], seg.values[index]));
+						action.accept(input, new ValueMapEntry(index, i));
 						index = (int)seg.links[index];
 					}					
 				}
@@ -722,14 +752,14 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 		@Override
 		public boolean matchesAny(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			for(int i = 0,m=segments.length;i<m;i++) {
 				Segment KEY_VALUE_GENERIC_TYPE seg = segments[i];
 				long stamp = seg.readLock();
 				try {
 					int index = seg.firstIndex;
 					while(index != -1) {
-						entry.set(seg.keys[index], seg.values[index]);
+						entry.set(index, i);
 						if(filter.test(entry)) return true;
 						index = (int)seg.links[index];
 					}					
@@ -744,14 +774,14 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 		@Override
 		public boolean matchesNone(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			for(int i = 0,m=segments.length;i<m;i++) {
 				Segment KEY_VALUE_GENERIC_TYPE seg = segments[i];
 				long stamp = seg.readLock();
 				try {
 					int index = seg.firstIndex;
 					while(index != -1) {
-						entry.set(seg.keys[index], seg.values[index]);
+						entry.set(index, i);
 						if(filter.test(entry)) return false;
 						index = (int)seg.links[index];
 					}					
@@ -766,14 +796,14 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 		@Override
 		public boolean matchesAll(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			for(int i = 0,m=segments.length;i<m;i++) {
 				Segment KEY_VALUE_GENERIC_TYPE seg = segments[i];
 				long stamp = seg.readLock();
 				try {
 					int index = seg.firstIndex;
 					while(index != -1) {
-						entry.set(seg.keys[index], seg.values[index]);
+						entry.set(index, i);
 						if(!filter.test(entry)) return false;
 						index = (int)seg.links[index];
 					}
@@ -795,7 +825,7 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 				try {
 					int index = seg.firstIndex;
 					while(index != -1) {
-						state = operator.apply(state, new BasicEntryKV_BRACES(seg.keys[index], seg.values[index]));
+						state = operator.apply(state, new ValueMapEntry(index, i));
 						index = (int)seg.links[index];
 					}
 				}
@@ -819,11 +849,11 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 					while(index != -1) {
 						if(empty) {
 							empty = false;
-							state = new BasicEntryKV_BRACES(seg.keys[index], seg.values[index]);
+							state = new ValueMapEntry(index, i);
 							index = (int)seg.links[index];
 							continue;
 						}
-						state = operator.apply(state, new BasicEntryKV_BRACES(seg.keys[index], seg.values[index]));
+						state = operator.apply(state, new ValueMapEntry(index, i));
 						index = (int)seg.links[index];
 					}					
 				}
@@ -837,14 +867,14 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 		@Override
 		public MAP.Entry KEY_VALUE_GENERIC_TYPE findFirst(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			for(int i = 0,m=segments.length;i<m;i++) {
 				Segment KEY_VALUE_GENERIC_TYPE seg = segments[i];
 				int index = seg.firstIndex;
 				long stamp = seg.readLock();
 				try {
 					while(index != -1) {
-						entry.set(seg.keys[index], seg.values[index]);
+						entry.set(index, i);
 						if(filter.test(entry)) return entry;
 						index = (int)seg.links[index];
 					}
@@ -860,14 +890,14 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 		public int count(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			int result = 0;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			for(int i = 0,m=segments.length;i<m;i++) {
 				Segment KEY_VALUE_GENERIC_TYPE seg = segments[i];
 				long stamp = seg.readLock();
 				try {
 					int index = seg.firstIndex;
 					while(index != -1) {
-						entry.set(seg.keys[index], seg.values[index]);
+						entry.set(index, i);
 						if(filter.test(entry)) result++;
 						index = (int)seg.links[index];
 					}
@@ -1517,12 +1547,12 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 		
 		@Override
 		public MAP.Entry KEY_VALUE_GENERIC_TYPE next() {
-			return entry = new MapEntry(nextEntry(), currentSegment());
+			return entry = new ValueMapEntry(nextEntry(), currentSegment());
 		}
 	
 		@Override
 		public MAP.Entry KEY_VALUE_GENERIC_TYPE previous() {
-			return entry = new MapEntry(previousEntry(), currentSegment());
+			return entry = new ValueMapEntry(previousEntry(), currentSegment());
 		}
 	
 		@Override
@@ -1707,6 +1737,33 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 		}
 	}
 	
+	protected class ValueMapEntry extends MapEntry {
+		protected KEY_TYPE key;
+		protected VALUE_TYPE value;
+		
+		public ValueMapEntry(int index, int segmentIndex) {
+			super(index, segmentIndex);
+			key = segments[segmentIndex].keys[index];
+			value = segments[segmentIndex].values[index];
+		}
+		
+		@Override
+		public KEY_TYPE ENTRY_KEY() {
+			return key;
+		}
+
+		@Override
+		public VALUE_TYPE ENTRY_VALUE() {
+			return value;
+		}
+		
+		@Override
+		public VALUE_TYPE setValue(VALUE_TYPE value) {
+			this.value = value;
+			return super.setValue(value);
+		}
+	}
+	
 	protected class MapEntry implements MAP.Entry KEY_VALUE_GENERIC_TYPE, Map.Entry<CLASS_TYPE, CLASS_VALUE_TYPE> {
 		int index = -1;
 		int segmentIndex = -1;
@@ -1742,7 +1799,7 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 			long stamp = seg.writeLock();
 			try
 			{
-				VALUE_TYPE oldValue = ENTRY_VALUE();
+				VALUE_TYPE oldValue = seg.values[index];
 				seg.values[index] = value;
 				return oldValue;
 			}
@@ -2191,6 +2248,33 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 				int index = findIndex(hash, key);
 				if(index < 0) {
 					VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, getDefaultReturnValue());
+#if VALUE_OBJECT
+					if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+					insert(-index-1, key, newValue);
+					return newValue;
+				}
+				VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
+#if VALUE_OBJECT
+				if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+					removeIndex(index);
+					return newValue;
+				}
+#endif
+				values[index] = newValue;
+				return newValue;
+			}
+			finally {
+				unlockWrite(stamp);
+			}
+		}
+		
+		protected VALUE_TYPE computeNonDefault(int hash, KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
+			long stamp = writeLock();
+			try {
+				int index = findIndex(hash, key);
+				if(index < 0) {
+					VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, getDefaultReturnValue());
 					if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
 					insert(-index-1, key, newValue);
 					return newValue;
@@ -2214,6 +2298,33 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 				int index = findIndex(hash, key);
 				if(index < 0) {
 					VALUE_TYPE newValue = mappingFunction.APPLY(key);
+#if VALUE_OBJECT
+					if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+					insert(-index-1, key, newValue);
+					return newValue;
+				}
+				VALUE_TYPE newValue = values[index];
+#if VALUE_OBJECT
+				if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+					newValue = mappingFunction.APPLY(key);
+					if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+					values[index] = newValue;
+				}
+#endif
+				return newValue;
+			}
+			finally {
+				unlockWrite(stamp);
+			}
+		}
+		
+		protected VALUE_TYPE computeIfAbsentNonDefault(int hash, KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) {
+			long stamp = writeLock();
+			try {
+				int index = findIndex(hash, key);
+				if(index < 0) {
+					VALUE_TYPE newValue = mappingFunction.APPLY(key);
 					if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
 					insert(-index-1, key, newValue);
 					return newValue;
@@ -2237,6 +2348,33 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 				int index = findIndex(hash, key);
 				if(index < 0) {
 					VALUE_TYPE newValue = valueProvider.VALUE_SUPPLY_GET();
+#if VALUE_OBJECT
+					if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+					insert(-index-1, key, newValue);
+					return newValue;
+				}
+				VALUE_TYPE newValue = values[index];
+#if VALUE_OBJECT
+				if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+					newValue = valueProvider.VALUE_SUPPLY_GET();
+					if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+					values[index] = newValue;
+				}
+#endif
+				return newValue;
+			}
+			finally {
+				unlockWrite(stamp);
+			}
+		}
+		
+		protected VALUE_TYPE supplyIfAbsentNonDefault(int hash, KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) {
+			long stamp = writeLock();
+			try {
+				int index = findIndex(hash, key);
+				if(index < 0) {
+					VALUE_TYPE newValue = valueProvider.VALUE_SUPPLY_GET();
 					if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
 					insert(-index-1, key, newValue);
 					return newValue;
@@ -2258,6 +2396,29 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 			long stamp = writeLock();
 			try {
 				int index = findIndex(hash, key);
+#if !VALUE_OBJECT
+				if(index < 0) return getDefaultReturnValue();
+				VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
+#else
+				if(index < 0 || VALUE_EQUALS(values[index], getDefaultReturnValue())) return getDefaultReturnValue();
+				VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
+				if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+					removeIndex(index);
+					return newValue;
+				}
+#endif
+				values[index] = newValue;
+				return newValue;
+			}
+			finally {
+				unlockWrite(stamp);
+			}
+		}
+		
+		protected VALUE_TYPE computeIfPresentNonDefault(int hash, KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
+			long stamp = writeLock();
+			try {
+				int index = findIndex(hash, key);
 				if(index < 0 || VALUE_EQUALS(values[index], getDefaultReturnValue())) return getDefaultReturnValue();
 				VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
 				if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {

src/builder/resources/speiger/assets/collections/templates/maps/impl/customHash/LinkedOpenCustomHashMap.template

@@ -23,13 +23,15 @@ import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 #if !TYPE_OBJECT && !VALUE_OBJECT
 import speiger.src.collections.ints.functions.consumer.IntObjectConsumer;
 #endif
-#if !SAME_TYPE
+#if !SAME_TYPE && !TYPE_INT
 import speiger.src.collections.ints.functions.consumer.VALUE_BI_FROM_INT_CONSUMER;
 #endif
 #if !TYPE_OBJECT && !JDK_TYPE
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
 #endif
+#if !TYPE_INT || !SAME_TYPE
 import speiger.src.collections.PACKAGE.functions.consumer.BI_CONSUMER;
+#endif
 import speiger.src.collections.PACKAGE.functions.function.SINGLE_UNARY_OPERATOR;
 import speiger.src.collections.PACKAGE.lists.LIST_ITERATOR;
 import speiger.src.collections.PACKAGE.maps.interfaces.MAP;
@@ -678,17 +680,17 @@ public class LINKED_CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends CUSTOM_HASH_M
 		public void forEach(Consumer<? super MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			int index = firstIndex;
 			while(index != -1) {
-				action.accept(new BasicEntryKV_BRACES(keys[index], values[index]));
+				action.accept(new ValueMapEntry(index));
 				index = (int)links[index];
 			}
 		}
 		
 		@Override
 		public void fastForEach(Consumer<? super MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			int index = firstIndex;
 			while(index != -1) {
-				entry.set(keys[index], values[index]);
+				entry.set(index);
 				action.accept(entry);
 				index = (int)links[index];
 			}
@@ -701,7 +703,7 @@ public class LINKED_CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends CUSTOM_HASH_M
 			int count = 0;
 			int index = firstIndex;
 			while(index != -1) {
-				action.accept(count++, new BasicEntryKV_BRACES(keys[index], values[index]));
+				action.accept(count++, new ValueMapEntry(index));
 				index = (int)links[index];
 			}
 		}
@@ -712,7 +714,7 @@ public class LINKED_CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends CUSTOM_HASH_M
 			if(size() <= 0) return;
 			int index = firstIndex;
 			while(index != -1) {
-				action.accept(input, new BasicEntryKV_BRACES(keys[index], values[index]));
+				action.accept(input, new ValueMapEntry(index));
 				index = (int)links[index];
 			}
 		}
@@ -721,10 +723,10 @@ public class LINKED_CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends CUSTOM_HASH_M
 		public boolean matchesAny(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return false;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			int index = firstIndex;
 			while(index != -1) {
-				entry.set(keys[index], values[index]);
+				entry.set(index);
 				if(filter.test(entry)) return true;
 				index = (int)links[index];
 			}
@@ -735,10 +737,10 @@ public class LINKED_CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends CUSTOM_HASH_M
 		public boolean matchesNone(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return true;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			int index = firstIndex;
 			while(index != -1) {
-				entry.set(keys[index], values[index]);
+				entry.set(index);
 				if(filter.test(entry)) return false;
 				index = (int)links[index];
 			}
@@ -749,10 +751,10 @@ public class LINKED_CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends CUSTOM_HASH_M
 		public boolean matchesAll(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return true;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			int index = firstIndex;
 			while(index != -1) {
-				entry.set(keys[index], values[index]);
+				entry.set(index);
 				if(!filter.test(entry)) return false;
 				index = (int)links[index];
 			}
@@ -765,7 +767,7 @@ public class LINKED_CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends CUSTOM_HASH_M
 			E state = identity;
 			int index = firstIndex;
 			while(index != -1) {
-				state = operator.apply(state, new BasicEntryKV_BRACES(keys[index], values[index]));
+				state = operator.apply(state, new ValueMapEntry(index));
 				index = (int)links[index];
 			}
 			return state;
@@ -780,11 +782,11 @@ public class LINKED_CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends CUSTOM_HASH_M
 			while(index != -1) {
 				if(empty) {
 					empty = false;
-					state = new BasicEntryKV_BRACES(keys[index], values[index]);
+					state = new ValueMapEntry(index);
 					index = (int)links[index];
 					continue;
 				}
-				state = operator.apply(state, new BasicEntryKV_BRACES(keys[index], values[index]));
+				state = operator.apply(state, new ValueMapEntry(index));
 				index = (int)links[index];
 			}
 			return state;
@@ -794,10 +796,10 @@ public class LINKED_CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends CUSTOM_HASH_M
 		public MAP.Entry KEY_VALUE_GENERIC_TYPE findFirst(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return null;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			int index = firstIndex;
 			while(index != -1) {
-				entry.set(keys[index], values[index]);
+				entry.set(index);
 				if(filter.test(entry)) return entry;
 				index = (int)links[index];
 			}
@@ -808,11 +810,11 @@ public class LINKED_CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends CUSTOM_HASH_M
 		public int count(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return 0;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			int result = 0;
 			int index = firstIndex;
 			while(index != -1) {
-				entry.set(keys[index], values[index]);
+				entry.set(index);
 				if(filter.test(entry)) result++;
 				index = (int)links[index];
 			}
@@ -1310,12 +1312,12 @@ public class LINKED_CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends CUSTOM_HASH_M
 		
 		@Override
 		public MAP.Entry KEY_VALUE_GENERIC_TYPE next() {
-			return entry = new MapEntry(nextEntry());
+			return entry = new ValueMapEntry(nextEntry());
 		}
 		
 		@Override
 		public MAP.Entry KEY_VALUE_GENERIC_TYPE previous() {
-			return entry = new MapEntry(previousEntry());
+			return entry = new ValueMapEntry(previousEntry());
 		}
 		
 		@Override

src/builder/resources/speiger/assets/collections/templates/maps/impl/customHash/OpenCustomHashMap.template

@@ -24,10 +24,12 @@ import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 #if !TYPE_OBJECT && !VALUE_OBJECT
 import speiger.src.collections.ints.functions.consumer.IntObjectConsumer;
 #endif
-#if !SAME_TYPE
+#if !SAME_TYPE && !TYPE_INT
 import speiger.src.collections.ints.functions.consumer.VALUE_BI_FROM_INT_CONSUMER;
 #endif
+#if !TYPE_INT || !SAME_TYPE
 import speiger.src.collections.PACKAGE.functions.consumer.BI_CONSUMER;
+#endif
 #if !VALUE_BOOLEAN || !JDK_TYPE
 import speiger.src.collections.PACKAGE.functions.function.FUNCTION;
 #endif
@@ -535,6 +537,29 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 		int index = findIndex(key);
 		if(index < 0) {
 			VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, getDefaultReturnValue());
+#if VALUE_OBJECT
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+			insert(-index-1, key, newValue);
+			return newValue;
+		}
+		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
+#if VALUE_OBJECT
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			removeIndex(index);
+			return newValue;
+		}
+#endif
+		values[index] = newValue;
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTENonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
+		int index = findIndex(key);
+		if(index < 0) {
+			VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, getDefaultReturnValue());
 			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
 			insert(-index-1, key, newValue);
 			return newValue;
@@ -554,6 +579,29 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 		int index = findIndex(key);
 		if(index < 0) {
 			VALUE_TYPE newValue = mappingFunction.APPLY(key);
+#if VALUE_OBJECT
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+			insert(-index-1, key, newValue);
+			return newValue;
+		}
+		VALUE_TYPE newValue = values[index];
+#if VALUE_OBJECT
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			newValue = mappingFunction.APPLY(key);
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+			values[index] = newValue;
+		}
+#endif
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTE_IF_ABSENTNonDefault(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
+		int index = findIndex(key);
+		if(index < 0) {
+			VALUE_TYPE newValue = mappingFunction.APPLY(key);
 			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
 			insert(-index-1, key, newValue);
 			return newValue;
@@ -573,6 +621,29 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 		int index = findIndex(key);
 		if(index < 0) {
 			VALUE_TYPE newValue = valueProvider.VALUE_SUPPLY_GET();
+#if VALUE_OBJECT
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+			insert(-index-1, key, newValue);
+			return newValue;
+		}
+		VALUE_TYPE newValue = values[index];
+#if VALUE_OBJECT
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			newValue = valueProvider.VALUE_SUPPLY_GET();
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+			values[index] = newValue;
+		}
+#endif
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE SUPPLY_IF_ABSENTNonDefault(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) {
+		Objects.requireNonNull(valueProvider);
+		int index = findIndex(key);
+		if(index < 0) {
+			VALUE_TYPE newValue = valueProvider.VALUE_SUPPLY_GET();
 			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
 			insert(-index-1, key, newValue);
 			return newValue;
@@ -590,6 +661,25 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 	public VALUE_TYPE COMPUTE_IF_PRESENT(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
 		Objects.requireNonNull(mappingFunction);
 		int index = findIndex(key);
+#if !VALUE_OBJECT
+		if(index < 0) return getDefaultReturnValue();
+		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
+#else
+		if(index < 0 || VALUE_EQUALS(values[index], getDefaultReturnValue())) return getDefaultReturnValue();
+		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			removeIndex(index);
+			return newValue;
+		}
+#endif
+		values[index] = newValue;
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTE_IF_PRESENTNonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
+		int index = findIndex(key);
 		if(index < 0 || VALUE_EQUALS(values[index], getDefaultReturnValue())) return getDefaultReturnValue();
 		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
 		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
@@ -788,6 +878,33 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 		}
 	}
 	
+	protected class ValueMapEntry extends MapEntry {
+		protected KEY_TYPE key;
+		protected VALUE_TYPE value;
+		
+		public ValueMapEntry(int index) {
+			super(index);
+			key = keys[index];
+			value = values[index];
+		}
+		
+		@Override
+		public KEY_TYPE ENTRY_KEY() {
+			return key;
+		}
+
+		@Override
+		public VALUE_TYPE ENTRY_VALUE() {
+			return value;
+		}
+		
+		@Override
+		public VALUE_TYPE setValue(VALUE_TYPE value) {
+			this.value = value;
+			return super.setValue(value);
+		}
+	}
+	
 	protected class MapEntry implements MAP.Entry KEY_VALUE_GENERIC_TYPE, Map.Entry<CLASS_TYPE, CLASS_VALUE_TYPE> {
 		public int index = -1;
 		
@@ -796,6 +913,10 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 			this.index = index;
 		}
 		
+		void set(int index) {
+			this.index = index;
+		}
+		
 		@Override
 		public KEY_TYPE ENTRY_KEY() {
 			return keys[index];
@@ -818,19 +939,19 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 			if(obj instanceof Map.Entry) {
 				if(obj instanceof MAP.Entry) {
 					MAP.Entry KEY_VALUE_GENERIC_TYPE entry = (MAP.Entry KEY_VALUE_GENERIC_TYPE)obj;
-					return KEY_EQUALS(keys[index], entry.ENTRY_KEY()) && VALUE_EQUALS(values[index], entry.ENTRY_VALUE());
+					return KEY_EQUALS(ENTRY_KEY(), entry.ENTRY_KEY()) && VALUE_EQUALS(ENTRY_VALUE(), entry.ENTRY_VALUE());
 				}
 				Map.Entry<?, ?> entry = (Map.Entry<?, ?>)obj;
 				Object key = entry.getKey();
 				Object value = entry.getValue();
 #if TYPE_OBJECT && VALUE_OBJECT
-				return KEY_EQUALS(keys[index], key) && VALUE_EQUALS(values[index], value);
+				return KEY_EQUALS(ENTRY_KEY(), key) && VALUE_EQUALS(ENTRY_VALUE(), value);
 #else if TYPE_OBJECT
-				return value instanceof CLASS_VALUE_TYPE && KEY_EQUALS(keys[index], key) && VALUE_EQUALS(values[index], CLASS_TO_VALUE(value));
+				return value instanceof CLASS_VALUE_TYPE && KEY_EQUALS(ENTRY_KEY(), key) && VALUE_EQUALS(ENTRY_VALUE(), CLASS_TO_VALUE(value));
 #else if VALUE_OBJECT
-				return key instanceof CLASS_TYPE && KEY_EQUALS(keys[index], CLASS_TO_KEY(key)) && VALUE_EQUALS(values[index], value);
+				return key instanceof CLASS_TYPE && KEY_EQUALS(ENTRY_KEY(), CLASS_TO_KEY(key)) && VALUE_EQUALS(ENTRY_VALUE(), value);
 #else
-				return key instanceof CLASS_TYPE && value instanceof CLASS_VALUE_TYPE && KEY_EQUALS(keys[index], CLASS_TO_KEY(key)) && VALUE_EQUALS(values[index], CLASS_TO_VALUE(value));
+				return key instanceof CLASS_TYPE && value instanceof CLASS_VALUE_TYPE && KEY_EQUALS(ENTRY_KEY(), CLASS_TO_KEY(key)) && VALUE_EQUALS(ENTRY_VALUE(), CLASS_TO_VALUE(value));
 #endif
 			}
 			return false;
@@ -838,12 +959,12 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 		
 		@Override
 		public int hashCode() {
-			return strategy.hashCode(keys[index]) ^ VALUE_TO_HASH(values[index]);
+			return strategy.hashCode(ENTRY_KEY()) ^ VALUE_TO_HASH(ENTRY_VALUE());
 		}
 		
 		@Override
 		public String toString() {
-			return KEY_TO_STRING(keys[index]) + "=" + VALUE_TO_STRING(values[index]);
+			return KEY_TO_STRING(ENTRY_KEY()) + "=" + VALUE_TO_STRING(ENTRY_VALUE());
 		}
 	}
 	
@@ -860,21 +981,21 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 		
 		@Override
 		public void forEach(Consumer<? super MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
-			if(containsNull) action.accept(new BasicEntryKV_BRACES(keys[nullIndex], values[nullIndex]));
+			if(containsNull) action.accept(new ValueMapEntry(nullIndex));
 			for(int i = nullIndex-1;i>=0;i--)
-				if(!strategy.equals(keys[i], EMPTY_KEY_VALUE)) action.accept(new BasicEntryKV_BRACES(keys[i], values[i]));
+				if(!strategy.equals(keys[i], EMPTY_KEY_VALUE)) action.accept(new ValueMapEntry(i));
 		}
 		
 		@Override
 		public void fastForEach(Consumer<? super MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			if(containsNull) {
-				entry.set(keys[nullIndex], values[nullIndex]);
+				entry.set(nullIndex);
 				action.accept(entry);
 			}
 			for(int i = nullIndex-1;i>=0;i--) {
 				if(!strategy.equals(keys[i], EMPTY_KEY_VALUE)) {
-					entry.set(keys[i], values[i]);
+					entry.set(i);
 					action.accept(entry);
 				}
 			}
@@ -884,9 +1005,9 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 		public void forEachIndexed(IntObjectConsumer<MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			Objects.requireNonNull(action);
 			if(size() <= 0) return;
-			if(containsNull) action.accept(0, new BasicEntryKV_BRACES(keys[nullIndex], values[nullIndex]));
+			if(containsNull) action.accept(0, new ValueMapEntry(nullIndex));
 			for(int i = nullIndex-1, index = containsNull ? 1 : 0;i>=0;i--) {
-				if(!strategy.equals(keys[i], EMPTY_KEY_VALUE)) action.accept(index++, new BasicEntryKV_BRACES(keys[i], values[i]));
+				if(!strategy.equals(keys[i], EMPTY_KEY_VALUE)) action.accept(index++, new ValueMapEntry(i));
 			}
 		}
 		
@@ -894,9 +1015,9 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 		public <E> void forEach(E input, ObjectObjectConsumer<E, MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			Objects.requireNonNull(action);
 			if(size() <= 0) return;
-			if(containsNull) action.accept(input, new BasicEntryKV_BRACES(keys[nullIndex], values[nullIndex]));
+			if(containsNull) action.accept(input, new ValueMapEntry(nullIndex));
 			for(int i = nullIndex-1;i>=0;i--) {
-				if(!strategy.equals(keys[i], EMPTY_KEY_VALUE)) action.accept(input, new BasicEntryKV_BRACES(keys[i], values[i]));
+				if(!strategy.equals(keys[i], EMPTY_KEY_VALUE)) action.accept(input, new ValueMapEntry(i));
 			}
 		}
 		
@@ -904,14 +1025,14 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 		public boolean matchesAny(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return false;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			if(containsNull) {
-				entry.set(keys[nullIndex], values[nullIndex]);
+				entry.set(nullIndex);
 				if(filter.test(entry)) return true;
 			}
 			for(int i = nullIndex-1;i>=0;i--) {
 				if(!strategy.equals(keys[i], EMPTY_KEY_VALUE)) {
-					entry.set(keys[i], values[i]);
+					entry.set(i);
 					if(filter.test(entry)) return true;
 				}
 			}
@@ -922,14 +1043,14 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 		public boolean matchesNone(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return true;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			if(containsNull) {
-				entry.set(keys[nullIndex], values[nullIndex]);
+				entry.set(nullIndex);
 				if(filter.test(entry)) return false;
 			}
 			for(int i = nullIndex-1;i>=0;i--) {
 				if(!strategy.equals(keys[i], EMPTY_KEY_VALUE)) {
-					entry.set(keys[i], values[i]);
+					entry.set(i);
 					if(filter.test(entry)) return false;
 				}
 			}
@@ -940,14 +1061,14 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 		public boolean matchesAll(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return true;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			if(containsNull) {
-				entry.set(keys[nullIndex], values[nullIndex]);
+				entry.set(nullIndex);
 				if(!filter.test(entry)) return false;
 			}
 			for(int i = nullIndex-1;i>=0;i--) {
 				if(!strategy.equals(keys[i], EMPTY_KEY_VALUE)) {
-					entry.set(keys[i], values[i]);
+					entry.set(i);
 					if(!filter.test(entry)) return false;
 				}
 			}
@@ -958,10 +1079,10 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 		public <E> E reduce(E identity, BiFunction<E, MAP.Entry KEY_VALUE_GENERIC_TYPE, E> operator) {
 			Objects.requireNonNull(operator);
 			E state = identity;
-			if(containsNull) state = operator.apply(state, new BasicEntryKV_BRACES(keys[nullIndex], values[nullIndex]));
+			if(containsNull) state = operator.apply(state, new ValueMapEntry(nullIndex));
 			for(int i = nullIndex-1;i>=0;i--) {
 				if(strategy.equals(keys[i], EMPTY_KEY_VALUE)) continue;
-				state = operator.apply(state, new BasicEntryKV_BRACES(keys[i], values[i]));
+				state = operator.apply(state, new ValueMapEntry(i));
 			}
 			return state;
 		}
@@ -972,17 +1093,17 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 			MAP.Entry KEY_VALUE_GENERIC_TYPE state = null;
 			boolean empty = true;
 			if(containsNull) {
-				state = new BasicEntryKV_BRACES(keys[nullIndex], values[nullIndex]);
+				state = new ValueMapEntry(nullIndex);
 				empty = false;
 			}
 			for(int i = nullIndex-1;i>=0;i--) {
 				if(strategy.equals(keys[i], EMPTY_KEY_VALUE)) continue;
 				if(empty) {
 					empty = false;
-					state = new BasicEntryKV_BRACES(keys[i], values[i]);
+					state = new ValueMapEntry(i);
 					continue;
 				}
-				state = operator.apply(state, new BasicEntryKV_BRACES(keys[i], values[i]));
+				state = operator.apply(state, new ValueMapEntry(i));
 			}
 			return state;
 		}
@@ -991,14 +1112,14 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 		public MAP.Entry KEY_VALUE_GENERIC_TYPE findFirst(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return null;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			if(containsNull) {
-				entry.set(keys[nullIndex], values[nullIndex]);
+				entry.set(nullIndex);
 				if(filter.test(entry)) return entry;
 			}
 			for(int i = nullIndex-1;i>=0;i--) {
 				if(!strategy.equals(keys[i], EMPTY_KEY_VALUE)) {
-					entry.set(keys[i], values[i]);
+					entry.set(i);
 					if(filter.test(entry)) return entry;
 				}
 			}
@@ -1009,15 +1130,15 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 		public int count(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return 0;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			int result = 0;
 			if(containsNull) {
-				entry.set(keys[nullIndex], values[nullIndex]);
+				entry.set(nullIndex);
 				if(filter.test(entry)) result++;
 			}
 			for(int i = nullIndex-1;i>=0;i--) {
 				if(!strategy.equals(keys[i], EMPTY_KEY_VALUE)) {
-					entry.set(keys[i], values[i]);
+					entry.set(i);
 					if(filter.test(entry)) result++;
 				}
 			}
@@ -1431,7 +1552,7 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 		MapEntry entry;
 		@Override
 		public MAP.Entry KEY_VALUE_GENERIC_TYPE next() {
-			return entry = new MapEntry(nextEntry());
+			return entry = new ValueMapEntry(nextEntry());
 		}
 		
 		@Override

src/builder/resources/speiger/assets/collections/templates/maps/impl/hash/LinkedOpenHashMap.template

@@ -23,13 +23,15 @@ import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 #if !TYPE_OBJECT && !VALUE_OBJECT
 import speiger.src.collections.ints.functions.consumer.IntObjectConsumer;
 #endif
-#if !SAME_TYPE
+#if !SAME_TYPE && !TYPE_INT
 import speiger.src.collections.ints.functions.consumer.VALUE_BI_FROM_INT_CONSUMER;
 #endif
 #if !TYPE_OBJECT && !JDK_TYPE
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
 #endif
+#if !TYPE_INT || !SAME_TYPE
 import speiger.src.collections.PACKAGE.functions.consumer.BI_CONSUMER;
+#endif
 import speiger.src.collections.PACKAGE.functions.function.SINGLE_UNARY_OPERATOR;
 import speiger.src.collections.PACKAGE.lists.LIST_ITERATOR;
 import speiger.src.collections.PACKAGE.maps.interfaces.MAP;
@@ -682,17 +684,17 @@ public class LINKED_HASH_MAP KEY_VALUE_GENERIC_TYPE extends HASH_MAP KEY_VALUE_G
 		public void forEach(Consumer<? super MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			int index = firstIndex;
 			while(index != -1){
-				action.accept(new BasicEntryKV_BRACES(keys[index], values[index]));
+				action.accept(new ValueMapEntry(index));
 				index = (int)links[index];
 			}
 		}
 		
 		@Override
 		public void fastForEach(Consumer<? super MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			int index = firstIndex;
 			while(index != -1){
-				entry.set(keys[index], values[index]);
+				entry.set(index);
 				action.accept(entry);
 				index = (int)links[index];
 			}
@@ -705,7 +707,7 @@ public class LINKED_HASH_MAP KEY_VALUE_GENERIC_TYPE extends HASH_MAP KEY_VALUE_G
 			int count = 0;
 			int index = firstIndex;
 			while(index != -1) {
-				action.accept(count++, new BasicEntryKV_BRACES(keys[index], values[index]));
+				action.accept(count++, new ValueMapEntry(index));
 				index = (int)links[index];
 			}
 		}
@@ -716,7 +718,7 @@ public class LINKED_HASH_MAP KEY_VALUE_GENERIC_TYPE extends HASH_MAP KEY_VALUE_G
 			if(size() <= 0) return;
 			int index = firstIndex;
 			while(index != -1) {
-				action.accept(input, new BasicEntryKV_BRACES(keys[index], values[index]));
+				action.accept(input, new ValueMapEntry(index));
 				index = (int)links[index];
 			}
 		}
@@ -725,10 +727,10 @@ public class LINKED_HASH_MAP KEY_VALUE_GENERIC_TYPE extends HASH_MAP KEY_VALUE_G
 		public boolean matchesAny(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return false;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			int index = firstIndex;
 			while(index != -1) {
-				entry.set(keys[index], values[index]);
+				entry.set(index);
 				if(filter.test(entry)) return true;
 				index = (int)links[index];
 			}
@@ -739,10 +741,10 @@ public class LINKED_HASH_MAP KEY_VALUE_GENERIC_TYPE extends HASH_MAP KEY_VALUE_G
 		public boolean matchesNone(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return true;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			int index = firstIndex;
 			while(index != -1) {
-				entry.set(keys[index], values[index]);
+				entry.set(index);
 				if(filter.test(entry)) return false;
 				index = (int)links[index];
 			}
@@ -753,10 +755,10 @@ public class LINKED_HASH_MAP KEY_VALUE_GENERIC_TYPE extends HASH_MAP KEY_VALUE_G
 		public boolean matchesAll(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return true;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			int index = firstIndex;
 			while(index != -1) {
-				entry.set(keys[index], values[index]);
+				entry.set(index);
 				if(!filter.test(entry)) return false;
 				index = (int)links[index];
 			}
@@ -769,7 +771,7 @@ public class LINKED_HASH_MAP KEY_VALUE_GENERIC_TYPE extends HASH_MAP KEY_VALUE_G
 			E state = identity;
 			int index = firstIndex;
 			while(index != -1) {
-				state = operator.apply(state, new BasicEntryKV_BRACES(keys[index], values[index]));
+				state = operator.apply(state, new ValueMapEntry(index));
 				index = (int)links[index];
 			}
 			return state;
@@ -784,11 +786,11 @@ public class LINKED_HASH_MAP KEY_VALUE_GENERIC_TYPE extends HASH_MAP KEY_VALUE_G
 			while(index != -1) {
 				if(empty) {
 					empty = false;
-					state = new BasicEntryKV_BRACES(keys[index], values[index]);
+					state = new ValueMapEntry(index);
 					index = (int)links[index];
 					continue;
 				}
-				state = operator.apply(state, new BasicEntryKV_BRACES(keys[index], values[index]));
+				state = operator.apply(state, new ValueMapEntry(index));
 				index = (int)links[index];
 			}
 			return state;
@@ -798,10 +800,10 @@ public class LINKED_HASH_MAP KEY_VALUE_GENERIC_TYPE extends HASH_MAP KEY_VALUE_G
 		public MAP.Entry KEY_VALUE_GENERIC_TYPE findFirst(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return null;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			int index = firstIndex;
 			while(index != -1) {
-				entry.set(keys[index], values[index]);
+				entry.set(index);
 				if(filter.test(entry)) return entry;
 				index = (int)links[index];
 			}
@@ -813,10 +815,10 @@ public class LINKED_HASH_MAP KEY_VALUE_GENERIC_TYPE extends HASH_MAP KEY_VALUE_G
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return 0;
 			int result = 0;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			int index = firstIndex;
 			while(index != -1) {
-				entry.set(keys[index], values[index]);
+				entry.set(index);
 				if(filter.test(entry)) result++;
 				index = (int)links[index];
 			}
@@ -1310,12 +1312,12 @@ public class LINKED_HASH_MAP KEY_VALUE_GENERIC_TYPE extends HASH_MAP KEY_VALUE_G
 		
 		@Override
 		public MAP.Entry KEY_VALUE_GENERIC_TYPE next() {
-			return entry = new MapEntry(nextEntry());
+			return entry = new ValueMapEntry(nextEntry());
 		}
 		
 		@Override
 		public MAP.Entry KEY_VALUE_GENERIC_TYPE previous() {
-			return entry = new MapEntry(previousEntry());
+			return entry = new ValueMapEntry(previousEntry());
 		}
 		
 		@Override

src/builder/resources/speiger/assets/collections/templates/maps/impl/hash/OpenHashMap.template

@@ -24,10 +24,12 @@ import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 #if !TYPE_OBJECT && !VALUE_OBJECT
 import speiger.src.collections.ints.functions.consumer.IntObjectConsumer;
 #endif
-#if !SAME_TYPE
+#if !SAME_TYPE && !TYPE_INT
 import speiger.src.collections.ints.functions.consumer.VALUE_BI_FROM_INT_CONSUMER;
 #endif
+#if !TYPE_INT || !SAME_TYPE
 import speiger.src.collections.PACKAGE.functions.consumer.BI_CONSUMER;
+#endif
 #if !VALUE_BOOLEAN || !JDK_TYPE
 import speiger.src.collections.PACKAGE.functions.function.FUNCTION;
 #endif
@@ -495,6 +497,29 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 		int index = findIndex(key);
 		if(index < 0) {
 			VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, getDefaultReturnValue());
+#if VALUE_OBJECT
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+			insert(-index-1, key, newValue);
+			return newValue;
+		}
+		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
+#if VALUE_OBJECT
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			removeIndex(index);
+			return newValue;
+		}
+#endif
+		values[index] = newValue;
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTENonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
+		int index = findIndex(key);
+		if(index < 0) {
+			VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, getDefaultReturnValue());
 			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
 			insert(-index-1, key, newValue);
 			return newValue;
@@ -514,6 +539,29 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 		int index = findIndex(key);
 		if(index < 0) {
 			VALUE_TYPE newValue = mappingFunction.APPLY(key);
+#if VALUE_OBJECT
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+			insert(-index-1, key, newValue);
+			return newValue;
+		}
+		VALUE_TYPE newValue = values[index];
+#if VALUE_OBJECT
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			newValue = mappingFunction.APPLY(key);
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+			values[index] = newValue;
+		}
+#endif
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTE_IF_ABSENTNonDefault(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
+		int index = findIndex(key);
+		if(index < 0) {
+			VALUE_TYPE newValue = mappingFunction.APPLY(key);
 			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
 			insert(-index-1, key, newValue);
 			return newValue;
@@ -533,6 +581,29 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 		int index = findIndex(key);
 		if(index < 0) {
 			VALUE_TYPE newValue = valueProvider.VALUE_SUPPLY_GET();
+#if VALUE_OBJECT
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+			insert(-index-1, key, newValue);
+			return newValue;
+		}
+		VALUE_TYPE newValue = values[index];
+#if VALUE_OBJECT
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			newValue = valueProvider.VALUE_SUPPLY_GET();
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+			values[index] = newValue;
+		}
+#endif
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE SUPPLY_IF_ABSENTNonDefault(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) {
+		Objects.requireNonNull(valueProvider);
+		int index = findIndex(key);
+		if(index < 0) {
+			VALUE_TYPE newValue = valueProvider.VALUE_SUPPLY_GET();
 			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
 			insert(-index-1, key, newValue);
 			return newValue;
@@ -550,6 +621,25 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 	public VALUE_TYPE COMPUTE_IF_PRESENT(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
 		Objects.requireNonNull(mappingFunction);
 		int index = findIndex(key);
+#if !VALUE_OBJECT
+		if(index < 0) return getDefaultReturnValue();
+		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
+#else
+		if(index < 0 || VALUE_EQUALS(values[index], getDefaultReturnValue())) return getDefaultReturnValue();
+		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			removeIndex(index);
+			return newValue;
+		}
+#endif
+		values[index] = newValue;
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTE_IF_PRESENTNonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
+		int index = findIndex(key);
 		if(index < 0 || VALUE_EQUALS(values[index], getDefaultReturnValue())) return getDefaultReturnValue();
 		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
 		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
@@ -747,6 +837,33 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 		}
 	}
 	
+	protected class ValueMapEntry extends MapEntry {
+		protected KEY_TYPE key;
+		protected VALUE_TYPE value;
+		
+		public ValueMapEntry(int index) {
+			super(index);
+			key = keys[index];
+			value = values[index];
+		}
+		
+		@Override
+		public KEY_TYPE ENTRY_KEY() {
+			return key;
+		}
+
+		@Override
+		public VALUE_TYPE ENTRY_VALUE() {
+			return value;
+		}
+		
+		@Override
+		public VALUE_TYPE setValue(VALUE_TYPE value) {
+			this.value = value;
+			return super.setValue(value);
+		}
+	}
+	
 	protected class MapEntry implements MAP.Entry KEY_VALUE_GENERIC_TYPE, Map.Entry<CLASS_TYPE, CLASS_VALUE_TYPE> {
 		public int index = -1;
 		
@@ -755,6 +872,10 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 			this.index = index;
 		}
 		
+		void set(int index) {
+			this.index = index;
+		}
+		
 		@Override
 		public KEY_TYPE ENTRY_KEY() {
 			return keys[index];
@@ -777,19 +898,19 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 			if(obj instanceof Map.Entry) {
 				if(obj instanceof MAP.Entry) {
 					MAP.Entry KEY_VALUE_GENERIC_TYPE entry = (MAP.Entry KEY_VALUE_GENERIC_TYPE)obj;
-					return KEY_EQUALS(keys[index], entry.ENTRY_KEY()) && VALUE_EQUALS(values[index], entry.ENTRY_VALUE());
+					return KEY_EQUALS(ENTRY_KEY(), entry.ENTRY_KEY()) && VALUE_EQUALS(ENTRY_VALUE(), entry.ENTRY_VALUE());
 				}
 				Map.Entry<?, ?> entry = (Map.Entry<?, ?>)obj;
 				Object key = entry.getKey();
 				Object value = entry.getValue();
 #if TYPE_OBJECT && VALUE_OBJECT
-				return KEY_EQUALS(keys[index], key) && VALUE_EQUALS(values[index], value);
+				return KEY_EQUALS(ENTRY_KEY(), key) && VALUE_EQUALS(ENTRY_VALUE(), value);
 #else if TYPE_OBJECT
-				return value instanceof CLASS_VALUE_TYPE && KEY_EQUALS(keys[index], key) && VALUE_EQUALS(values[index], CLASS_TO_VALUE(value));
+				return value instanceof CLASS_VALUE_TYPE && KEY_EQUALS(ENTRY_KEY(), key) && VALUE_EQUALS(ENTRY_VALUE(), CLASS_TO_VALUE(value));
 #else if VALUE_OBJECT
-				return key instanceof CLASS_TYPE && KEY_EQUALS(keys[index], CLASS_TO_KEY(key)) && VALUE_EQUALS(values[index], value);
+				return key instanceof CLASS_TYPE && KEY_EQUALS(ENTRY_KEY(), CLASS_TO_KEY(key)) && VALUE_EQUALS(ENTRY_VALUE(), value);
 #else
-				return key instanceof CLASS_TYPE && value instanceof CLASS_VALUE_TYPE && KEY_EQUALS(keys[index], CLASS_TO_KEY(key)) && VALUE_EQUALS(values[index], CLASS_TO_VALUE(value));
+				return key instanceof CLASS_TYPE && value instanceof CLASS_VALUE_TYPE && KEY_EQUALS(ENTRY_KEY(), CLASS_TO_KEY(key)) && VALUE_EQUALS(ENTRY_VALUE(), CLASS_TO_VALUE(value));
 #endif
 			}
 			return false;
@@ -797,12 +918,12 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 		
 		@Override
 		public int hashCode() {
-			return KEY_TO_HASH(keys[index]) ^ VALUE_TO_HASH(values[index]);
+			return KEY_TO_HASH(ENTRY_KEY()) ^ VALUE_TO_HASH(ENTRY_VALUE());
 		}
 		
 		@Override
 		public String toString() {
-			return KEY_TO_STRING(keys[index]) + "=" + VALUE_TO_STRING(values[index]);
+			return KEY_TO_STRING(ENTRY_KEY()) + "=" + VALUE_TO_STRING(ENTRY_VALUE());
 		}
 	}
 	
@@ -819,21 +940,21 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 		
 		@Override
 		public void forEach(Consumer<? super MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
-			if(containsNull) action.accept(new BasicEntryKV_BRACES(keys[nullIndex], values[nullIndex]));
+			if(containsNull) action.accept(new ValueMapEntry(nullIndex));
 			for(int i = nullIndex-1;i>=0;i--)
-				if(KEY_EQUALS_NOT_NULL(keys[i])) action.accept(new BasicEntryKV_BRACES(keys[i], values[i]));
+				if(KEY_EQUALS_NOT_NULL(keys[i])) action.accept(new ValueMapEntry(i));
 		}
 		
 		@Override
 		public void fastForEach(Consumer<? super MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			if(containsNull) {
-				entry.set(keys[nullIndex], values[nullIndex]);
+				entry.set(nullIndex);
 				action.accept(entry);
 			}
 			for(int i = nullIndex-1;i>=0;i--) {
 				if(KEY_EQUALS_NOT_NULL(keys[i])) {
-					entry.set(keys[i], values[i]);
+					entry.set(i);
 					action.accept(entry);
 				}
 			}
@@ -843,9 +964,9 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 		public void forEachIndexed(IntObjectConsumer<MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			Objects.requireNonNull(action);
 			if(size() <= 0) return;
-			if(containsNull) action.accept(0, new BasicEntryKV_BRACES(keys[nullIndex], values[nullIndex]));
+			if(containsNull) action.accept(0, new ValueMapEntry(nullIndex));
 			for(int i = nullIndex-1, index = containsNull ? 1 : 0;i>=0;i--) {
-				if(KEY_EQUALS_NOT_NULL(keys[i])) action.accept(index++, new BasicEntryKV_BRACES(keys[i], values[i]));
+				if(KEY_EQUALS_NOT_NULL(keys[i])) action.accept(index++, new ValueMapEntry(i));
 			}
 		}
 		
@@ -853,9 +974,9 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 		public <E> void forEach(E input, ObjectObjectConsumer<E, MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			Objects.requireNonNull(action);
 			if(size() <= 0) return;
-			if(containsNull) action.accept(input, new BasicEntryKV_BRACES(keys[nullIndex], values[nullIndex]));
+			if(containsNull) action.accept(input, new ValueMapEntry(nullIndex));
 			for(int i = nullIndex-1;i>=0;i--) {
-				if(KEY_EQUALS_NOT_NULL(keys[i])) action.accept(input, new BasicEntryKV_BRACES(keys[i], values[i]));
+				if(KEY_EQUALS_NOT_NULL(keys[i])) action.accept(input, new ValueMapEntry(i));
 			}
 		}
 		
@@ -863,14 +984,14 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 		public boolean matchesAny(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return false;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			if(containsNull) {
-				entry.set(keys[nullIndex], values[nullIndex]);
+				entry.set(nullIndex);
 				if(filter.test(entry)) return true;
 			}
 			for(int i = nullIndex-1;i>=0;i--) {
 				if(KEY_EQUALS_NOT_NULL(keys[i])) {
-					entry.set(keys[i], values[i]);
+					entry.set(i);
 					if(filter.test(entry)) return true;
 				}
 			}
@@ -881,14 +1002,14 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 		public boolean matchesNone(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return true;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			if(containsNull) {
-				entry.set(keys[nullIndex], values[nullIndex]);
+				entry.set(nullIndex);
 				if(filter.test(entry)) return false;
 			}
 			for(int i = nullIndex-1;i>=0;i--) {
 				if(KEY_EQUALS_NOT_NULL(keys[i])) {
-					entry.set(keys[i], values[i]);
+					entry.set(i);
 					if(filter.test(entry)) return false;
 				}
 			}
@@ -899,14 +1020,14 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 		public boolean matchesAll(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return true;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			if(containsNull) {
-				entry.set(keys[nullIndex], values[nullIndex]);
+				entry.set(nullIndex);
 				if(!filter.test(entry)) return false;
 			}
 			for(int i = nullIndex-1;i>=0;i--) {
 				if(KEY_EQUALS_NOT_NULL(keys[i])) {
-					entry.set(keys[i], values[i]);
+					entry.set(i);
 					if(!filter.test(entry)) return false;
 				}
 			}
@@ -917,10 +1038,10 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 		public <E> E reduce(E identity, BiFunction<E, MAP.Entry KEY_VALUE_GENERIC_TYPE, E> operator) {
 			Objects.requireNonNull(operator);
 			E state = identity;
-			if(containsNull) state = operator.apply(state, new BasicEntryKV_BRACES(keys[nullIndex], values[nullIndex]));
+			if(containsNull) state = operator.apply(state, new ValueMapEntry(nullIndex));
 			for(int i = nullIndex-1;i>=0;i--) {
 				if(KEY_EQUALS_NULL(keys[i])) continue;
-				state = operator.apply(state, new BasicEntryKV_BRACES(keys[i], values[i]));
+				state = operator.apply(state, new ValueMapEntry(i));
 			}
 			return state;
 		}
@@ -931,17 +1052,17 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 			MAP.Entry KEY_VALUE_GENERIC_TYPE state = null;
 			boolean empty = true;
 			if(containsNull) {
-				state = new BasicEntryKV_BRACES(keys[nullIndex], values[nullIndex]);
+				state = new ValueMapEntry(nullIndex);
 				empty = false;
 			}
 			for(int i = nullIndex-1;i>=0;i--) {
 				if(KEY_EQUALS_NULL(keys[i])) continue;
 				if(empty) {
 					empty = false;
-					state = new BasicEntryKV_BRACES(keys[i], values[i]);
+					state = new ValueMapEntry(i);
 					continue;
 				}
-				state = operator.apply(state, new BasicEntryKV_BRACES(keys[i], values[i]));
+				state = operator.apply(state, new ValueMapEntry(i));
 			}
 			return state;
 		}
@@ -950,14 +1071,14 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 		public MAP.Entry KEY_VALUE_GENERIC_TYPE findFirst(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return null;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			if(containsNull) {
-				entry.set(keys[nullIndex], values[nullIndex]);
+				entry.set(nullIndex);
 				if(filter.test(entry)) return entry;
 			}
 			for(int i = nullIndex-1;i>=0;i--) {
 				if(KEY_EQUALS_NOT_NULL(keys[i])) {
-					entry.set(keys[i], values[i]);
+					entry.set(i);
 					if(filter.test(entry)) return entry;
 				}
 			}
@@ -968,15 +1089,15 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 		public int count(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return 0;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			int result = 0;
 			if(containsNull) {
-				entry.set(keys[nullIndex], values[nullIndex]);
+				entry.set(nullIndex);
 				if(filter.test(entry)) result++;
 			}
 			for(int i = nullIndex-1;i>=0;i--) {
 				if(KEY_EQUALS_NOT_NULL(keys[i])) {
-					entry.set(keys[i], values[i]);
+					entry.set(i);
 					if(filter.test(entry)) result++;
 				}
 			}
@@ -1386,7 +1507,7 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 		MapEntry entry;
 		@Override
 		public MAP.Entry KEY_VALUE_GENERIC_TYPE next() {
-			return entry = new MapEntry(nextEntry());
+			return entry = new ValueMapEntry(nextEntry());
 		}
 		
 		@Override

src/builder/resources/speiger/assets/collections/templates/maps/impl/immutable/ImmutableOpenHashMap.template

@@ -23,13 +23,15 @@ import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 #if !TYPE_OBJECT && !VALUE_OBJECT
 import speiger.src.collections.ints.functions.consumer.IntObjectConsumer;
 #endif
-#if !SAME_TYPE
+#if !SAME_TYPE && !TYPE_INT
 import speiger.src.collections.ints.functions.consumer.VALUE_BI_FROM_INT_CONSUMER;
 #endif
 #if !TYPE_OBJECT && !VALUE_BOOLEAN && !JDK_TYPE
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
 #endif
+#if !TYPE_INT || !SAME_TYPE
 import speiger.src.collections.PACKAGE.functions.consumer.BI_CONSUMER;
+#endif
 #if !VALUE_BOOLEAN || !JDK_TYPE
 import speiger.src.collections.PACKAGE.functions.function.FUNCTION;
 #endif
@@ -491,15 +493,20 @@ public class IMMUTABLE_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_
 	
 	@Override
 	public VALUE_TYPE COMPUTE(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
-	
+	@Override
+	public VALUE_TYPE COMPUTENonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
 	@Override
 	public VALUE_TYPE COMPUTE_IF_ABSENT(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
-	
+	@Override
+	public VALUE_TYPE COMPUTE_IF_ABSENTNonDefault(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
 	@Override
 	public VALUE_TYPE SUPPLY_IF_ABSENT(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) { throw new UnsupportedOperationException(); }
-	
+	@Override
+	public VALUE_TYPE SUPPLY_IF_ABSENTNonDefault(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) { throw new UnsupportedOperationException(); }
 	@Override
 	public VALUE_TYPE COMPUTE_IF_PRESENT(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
+	@Override
+	public VALUE_TYPE COMPUTE_IF_PRESENTNonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
 	
 	@Override
 	public VALUE_TYPE MERGE(KEY_TYPE key, VALUE_TYPE value, VALUE_UNARY_OPERATOR VALUE_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }

src/builder/resources/speiger/assets/collections/templates/maps/impl/misc/ArrayMap.template

@@ -23,13 +23,15 @@ import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 #if !TYPE_OBJECT && !VALUE_OBJECT
 import speiger.src.collections.ints.functions.consumer.IntObjectConsumer;
 #endif
-#if !SAME_TYPE
+#if !SAME_TYPE && !TYPE_INT
 import speiger.src.collections.ints.functions.consumer.VALUE_BI_FROM_INT_CONSUMER;
 #endif
 #if !TYPE_OBJECT && !VALUE_BOOLEAN && !JDK_TYPE
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
 #endif
+#if !TYPE_INT || !SAME_TYPE
 import speiger.src.collections.PACKAGE.functions.consumer.BI_CONSUMER;
+#endif
 #if !VALUE_BOOLEAN || !JDK_TYPE
 import speiger.src.collections.PACKAGE.functions.function.FUNCTION;
 #endif
@@ -493,6 +495,29 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 		int index = findIndex(key);
 		if(index == -1) {
 			VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, getDefaultReturnValue());
+#if VALUE_OBJECT
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+			insertIndex(size++, key, newValue);
+			return newValue;
+		}
+		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
+#if VALUE_OBJECT
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			removeIndex(index);
+			return newValue;
+		}
+#endif
+		values[index] = newValue;
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTENonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
+		int index = findIndex(key);
+		if(index == -1) {
+			VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, getDefaultReturnValue());
 			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
 			insertIndex(size++, key, newValue);
 			return newValue;
@@ -512,6 +537,29 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 		int index = findIndex(key);
 		if(index == -1) {
 			VALUE_TYPE newValue = mappingFunction.APPLY(key);
+#if VALUE_OBJECT
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+			insertIndex(size++, key, newValue);
+			return newValue;
+		}
+		VALUE_TYPE newValue = values[index];
+#if VALUE_OBJECT
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			newValue = mappingFunction.APPLY(key);
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+			values[index] = newValue;
+		}
+#endif
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTE_IF_ABSENTNonDefault(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
+		int index = findIndex(key);
+		if(index == -1) {
+			VALUE_TYPE newValue = mappingFunction.APPLY(key);
 			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
 			insertIndex(size++, key, newValue);
 			return newValue;
@@ -531,6 +579,29 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 		int index = findIndex(key);
 		if(index == -1) {
 			VALUE_TYPE newValue = valueProvider.VALUE_SUPPLY_GET();
+#if VALUE_OBJECT
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+			insertIndex(size++, key, newValue);
+			return newValue;
+		}
+		VALUE_TYPE newValue = values[index];
+#if VALUE_OBJECT
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			newValue = valueProvider.VALUE_SUPPLY_GET();
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+			values[index] = newValue;
+		}
+#endif
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE SUPPLY_IF_ABSENTNonDefault(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) {
+		Objects.requireNonNull(valueProvider);
+		int index = findIndex(key);
+		if(index == -1) {
+			VALUE_TYPE newValue = valueProvider.VALUE_SUPPLY_GET();
 			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
 			insertIndex(size++, key, newValue);
 			return newValue;
@@ -548,6 +619,25 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 	public VALUE_TYPE COMPUTE_IF_PRESENT(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
 		Objects.requireNonNull(mappingFunction);
 		int index = findIndex(key);
+#if !VALUE_OBJECT
+		if(index == -1) return getDefaultReturnValue();
+		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
+#else
+		if(index == -1 || VALUE_EQUALS(values[index], getDefaultReturnValue())) return getDefaultReturnValue();
+		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			removeIndex(index);
+			return newValue;
+		}
+#endif
+		values[index] = newValue;
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTE_IF_PRESENTNonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
+		int index = findIndex(key);
 		if(index == -1 || VALUE_EQUALS(values[index], getDefaultReturnValue())) return getDefaultReturnValue();
 		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
 		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
@@ -786,16 +876,16 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 		public void forEach(Consumer<? super MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			Objects.requireNonNull(action);
 			for(int i = 0;i<size;i++)
-				action.accept(new BasicEntryKV_BRACES(keys[i], values[i]));
+				action.accept(new ValueMapEntry(i));
 		}
 		
 		@Override
 		public void fastForEach(Consumer<? super MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			Objects.requireNonNull(action);
 			if(size() <= 0) return;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			for(int i = 0;i<size;i++) {
-				entry.set(keys[i], values[i]);
+				entry.set(i);
 				action.accept(entry);
 			}
 		}
@@ -804,7 +894,7 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 		public void forEachIndexed(IntObjectConsumer<MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			Objects.requireNonNull(action);
 			for(int i = 0;i<size;i++) {
-				action.accept(i, new BasicEntryKV_BRACES(keys[i], values[i]));
+				action.accept(i, new ValueMapEntry(i));
 			}
 		}
 		
@@ -812,7 +902,7 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 		public <E> void forEach(E input, ObjectObjectConsumer<E, MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			Objects.requireNonNull(action);
 			for(int i = 0;i<size;i++) {
-				action.accept(input, new BasicEntryKV_BRACES(keys[i], values[i]));
+				action.accept(input, new ValueMapEntry(i));
 			}
 		}
 		
@@ -820,9 +910,9 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 		public boolean matchesAny(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return false;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			for(int i = 0;i<size;i++) {
-				entry.set(keys[i], values[i]);
+				entry.set(i);
 				if(filter.test(entry)) return true;
 			}
 			return false;
@@ -832,9 +922,9 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 		public boolean matchesNone(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return true;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			for(int i = 0;i<size;i++) {
-				entry.set(keys[i], values[i]);
+				entry.set(i);
 				if(filter.test(entry)) return false;
 			}
 			return true;
@@ -844,9 +934,9 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 		public boolean matchesAll(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return true;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			for(int i = 0;i<size;i++) {
-				entry.set(keys[i], values[i]);
+				entry.set(i);
 				if(!filter.test(entry)) return false;
 			}
 			return true;
@@ -857,7 +947,7 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 			Objects.requireNonNull(operator);
 			E state = identity;
 			for(int i = 0;i<size;i++) {
-				state = operator.apply(state, new BasicEntryKV_BRACES(keys[i], values[i]));
+				state = operator.apply(state, new ValueMapEntry(i));
 			}
 			return state;
 		}
@@ -870,10 +960,10 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 			for(int i = 0;i<size;i++) {
 				if(empty) {
 					empty = false;
-					state = new BasicEntryKV_BRACES(keys[i], values[i]);
+					state = new ValueMapEntry(i);
 					continue;
 				}
-				state = operator.apply(state, new BasicEntryKV_BRACES(keys[i], values[i]));
+				state = operator.apply(state, new ValueMapEntry(i));
 			}
 			return state;
 		}
@@ -882,9 +972,9 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 		public MAP.Entry KEY_VALUE_GENERIC_TYPE findFirst(Predicate<MAP.Entry KEY_VALUE_GENERIC_TYPE> filter) {
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return null;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			for(int i = 0;i<size;i++) {
-				entry.set(keys[i], values[i]);
+				entry.set(i);
 				if(filter.test(entry)) return entry;
 			}
 			return null;
@@ -895,9 +985,9 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 			Objects.requireNonNull(filter);
 			if(size() <= 0) return 0;
 			int result = 0;
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			for(int i = 0;i<size;i++) {
-				entry.set(keys[i], values[i]);
+				entry.set(i);
 				if(filter.test(entry)) result++;
 			}
 			return result;
@@ -1274,12 +1364,12 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 		
 		@Override
 		public MAP.Entry KEY_VALUE_GENERIC_TYPE next() {
-			return entry = new MapEntry(nextEntry());
+			return entry = new ValueMapEntry(nextEntry());
 		}
 		
 		@Override
 		public MAP.Entry KEY_VALUE_GENERIC_TYPE previous() {
-			return entry = new MapEntry(previousEntry());
+			return entry = new ValueMapEntry(previousEntry());
 		}
 		
 		@Override
@@ -1395,6 +1485,33 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 		}
 	}
 	
+	protected class ValueMapEntry extends MapEntry {
+		protected KEY_TYPE key;
+		protected VALUE_TYPE value;
+		
+		public ValueMapEntry(int index) {
+			super(index);
+			key = keys[index];
+			value = values[index];
+		}
+		
+		@Override
+		public KEY_TYPE ENTRY_KEY() {
+			return key;
+		}
+
+		@Override
+		public VALUE_TYPE ENTRY_VALUE() {
+			return value;
+		}
+		
+		@Override
+		public VALUE_TYPE setValue(VALUE_TYPE value) {
+			this.value = value;
+			return super.setValue(value);
+		}
+	}
+	
 	private class MapEntry implements MAP.Entry KEY_VALUE_GENERIC_TYPE, Map.Entry<CLASS_TYPE, CLASS_VALUE_TYPE> {
 		int index = -1;
 		
@@ -1403,6 +1520,10 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 			this.index = index;
 		}
 		
+		void set(int index) {
+			this.index = index;
+		}
+		
 		@Override
 		public KEY_TYPE ENTRY_KEY() {
 			return keys[index];
@@ -1425,19 +1546,19 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 			if(obj instanceof Map.Entry) {
 				if(obj instanceof MAP.Entry) {
 					MAP.Entry KEY_VALUE_GENERIC_TYPE entry = (MAP.Entry KEY_VALUE_GENERIC_TYPE)obj;
-					return KEY_EQUALS(keys[index], entry.ENTRY_KEY()) && VALUE_EQUALS(values[index], entry.ENTRY_VALUE());
+					return KEY_EQUALS(keys[index], entry.ENTRY_KEY()) && VALUE_EQUALS(ENTRY_VALUE(), entry.ENTRY_VALUE());
 				}
 				Map.Entry<?, ?> entry = (Map.Entry<?, ?>)obj;
 				Object key = entry.getKey();
 				Object value = entry.getValue();
 #if TYPE_OBJECT && VALUE_OBJECT
-				return KEY_EQUALS(keys[index], key) && VALUE_EQUALS(values[index], value);
+				return KEY_EQUALS(ENTRY_KEY(), key) && VALUE_EQUALS(ENTRY_VALUE(), value);
 #else if TYPE_OBJECT
-				return value instanceof CLASS_VALUE_TYPE && KEY_EQUALS(keys[index], key) && VALUE_EQUALS(values[index], CLASS_TO_VALUE(value));
+				return value instanceof CLASS_VALUE_TYPE && KEY_EQUALS(ENTRY_KEY(), key) && VALUE_EQUALS(ENTRY_VALUE(), CLASS_TO_VALUE(value));
 #else if VALUE_OBJECT
-				return key instanceof CLASS_TYPE && KEY_EQUALS(keys[index], CLASS_TO_KEY(key)) && VALUE_EQUALS(values[index], value);
+				return key instanceof CLASS_TYPE && KEY_EQUALS(ENTRY_KEY(), CLASS_TO_KEY(key)) && VALUE_EQUALS(ENTRY_VALUE(), value);
 #else
-				return key instanceof CLASS_TYPE && value instanceof CLASS_VALUE_TYPE && KEY_EQUALS(keys[index], CLASS_TO_KEY(key)) && VALUE_EQUALS(values[index], CLASS_TO_VALUE(value));
+				return key instanceof CLASS_TYPE && value instanceof CLASS_VALUE_TYPE && KEY_EQUALS(ENTRY_KEY(), CLASS_TO_KEY(key)) && VALUE_EQUALS(ENTRY_VALUE(), CLASS_TO_VALUE(value));
 #endif
 			}
 			return false;
@@ -1445,12 +1566,12 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 		
 		@Override
 		public int hashCode() {
-			return KEY_TO_HASH(keys[index]) ^ VALUE_TO_HASH(values[index]);
+			return KEY_TO_HASH(ENTRY_KEY()) ^ VALUE_TO_HASH(ENTRY_VALUE());
 		}
 		
 		@Override
 		public String toString() {
-			return KEY_TO_STRING(keys[index]) + "=" + VALUE_TO_STRING(values[index]);
+			return KEY_TO_STRING(ENTRY_KEY()) + "=" + VALUE_TO_STRING(ENTRY_VALUE());
 		}
 	}
 }

src/builder/resources/speiger/assets/collections/templates/maps/impl/misc/EnumMap.template

@@ -363,6 +363,30 @@ public class ENUM_MAP KEY_ENUM_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE
 		int index = key.ordinal();
 		if(!isSet(index)) {
 			VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, getDefaultReturnValue());
+#if VALUE_OBJECT
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+			set(index);
+			values[index] = newValue;
+			return newValue;
+		}
+		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
+#if VALUE_OBJECT
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			clear(index);
+			values[index] = EMPTY_VALUE;
+			return newValue;
+		}
+#endif
+		values[index] = newValue;
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTENonDefault(T key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		int index = key.ordinal();
+		if(!isSet(index)) {
+			VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, getDefaultReturnValue());
 			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
 			set(index);
 			values[index] = newValue;
@@ -383,6 +407,29 @@ public class ENUM_MAP KEY_ENUM_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE
 		int index = key.ordinal();
 		if(!isSet(index)) {
 			VALUE_TYPE newValue = mappingFunction.APPLY(key);
+#if VALUE_OBJECT
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+			set(index);
+			values[index] = newValue;			
+			return newValue;
+		}
+		VALUE_TYPE newValue = values[index];
+#if VALUE_OBJECT
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			newValue = mappingFunction.APPLY(key);
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+			values[index] = newValue;
+		}
+#endif
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTE_IF_ABSENTNonDefault(T key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		int index = key.ordinal();
+		if(!isSet(index)) {
+			VALUE_TYPE newValue = mappingFunction.APPLY(key);
 			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
 			set(index);
 			values[index] = newValue;			
@@ -402,6 +449,29 @@ public class ENUM_MAP KEY_ENUM_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE
 		int index = key.ordinal();
 		if(!isSet(index)) {
 			VALUE_TYPE newValue = valueProvider.VALUE_SUPPLY_GET();
+#if VALUE_OBJECT
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+			set(index);
+			values[index] = newValue;			
+			return newValue;
+		}
+		VALUE_TYPE newValue = values[index];
+#if VALUE_OBJECT
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			newValue = valueProvider.VALUE_SUPPLY_GET();
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+			values[index] = newValue;
+		}
+#endif
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE SUPPLY_IF_ABSENTNonDefault(T key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) {
+		int index = key.ordinal();
+		if(!isSet(index)) {
+			VALUE_TYPE newValue = valueProvider.VALUE_SUPPLY_GET();
 			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
 			set(index);
 			values[index] = newValue;			
@@ -419,6 +489,25 @@ public class ENUM_MAP KEY_ENUM_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE
 	@Override
 	public VALUE_TYPE COMPUTE_IF_PRESENT(T key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
 		int index = key.ordinal();
+#if !VALUE_OBJECT
+		if(!isSet(index)) return getDefaultReturnValue();
+		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
+#else
+		if(!isSet(index) || VALUE_EQUALS(values[index], getDefaultReturnValue())) return getDefaultReturnValue();
+		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			clear(index);
+			values[index] = EMPTY_VALUE;
+			return newValue;
+		}
+#endif
+		values[index] = newValue;
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTE_IF_PRESENTNonDefault(T key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		int index = key.ordinal();
 		if(!isSet(index) || VALUE_EQUALS(values[index], getDefaultReturnValue())) return getDefaultReturnValue();
 		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
 		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
@@ -547,7 +636,7 @@ public class ENUM_MAP KEY_ENUM_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE
 		public void forEach(Consumer<? super MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			if(size() <= 0) return;
 			for(int i = 0,m=keys.length;i<m;i++) {
-				if(isSet(i)) action.accept(new BasicEntryKV_BRACES(keys[i], values[i]));
+				if(isSet(i)) action.accept(new ValueMapEntry(i));
 			}
 		}
 		
@@ -630,7 +719,7 @@ public class ENUM_MAP KEY_ENUM_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE
 	class EntryIterator extends MapIterator implements ObjectIterator<MAP.Entry KEY_VALUE_GENERIC_TYPE> {
 		@Override
 		public MAP.Entry KEY_VALUE_GENERIC_TYPE next() {
-			return new MapEntry(nextEntry());
+			return new ValueMapEntry(nextEntry());
 		}
 	}
 	
@@ -677,6 +766,33 @@ public class ENUM_MAP KEY_ENUM_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE
 		}
 	}
 	
+	protected class ValueMapEntry extends MapEntry {
+		protected KEY_TYPE key;
+		protected VALUE_TYPE value;
+		
+		public ValueMapEntry(int index) {
+			super(index);
+			key = keys[index];
+			value = values[index];
+		}
+		
+		@Override
+		public KEY_TYPE ENTRY_KEY() {
+			return key;
+		}
+
+		@Override
+		public VALUE_TYPE ENTRY_VALUE() {
+			return value;
+		}
+		
+		@Override
+		public VALUE_TYPE setValue(VALUE_TYPE value) {
+			this.value = value;
+			return super.setValue(value);
+		}
+	}
+	
 	protected class MapEntry implements MAP.Entry KEY_VALUE_GENERIC_TYPE, Map.Entry<CLASS_TYPE, CLASS_VALUE_TYPE> {
 		public int index = -1;
 		
@@ -685,6 +801,10 @@ public class ENUM_MAP KEY_ENUM_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE
 			this.index = index;
 		}
 		
+		void set(int index) {
+			this.index = index;
+		}
+		
 		@Override
 		public KEY_TYPE ENTRY_KEY() {
 			return keys[index];
@@ -707,19 +827,19 @@ public class ENUM_MAP KEY_ENUM_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE
 			if(obj instanceof Map.Entry) {
 				if(obj instanceof MAP.Entry) {
 					MAP.Entry KEY_VALUE_GENERIC_TYPE entry = (MAP.Entry KEY_VALUE_GENERIC_TYPE)obj;
-					return KEY_EQUALS(keys[index], entry.ENTRY_KEY()) && VALUE_EQUALS(values[index], entry.ENTRY_VALUE());
+					return KEY_EQUALS(ENTRY_KEY(), entry.ENTRY_KEY()) && VALUE_EQUALS(ENTRY_VALUE(), entry.ENTRY_VALUE());
 				}
 				Map.Entry<?, ?> entry = (Map.Entry<?, ?>)obj;
 				Object key = entry.getKey();
 				Object value = entry.getValue();
 #if TYPE_OBJECT && VALUE_OBJECT
-				return KEY_EQUALS(keys[index], key) && VALUE_EQUALS(values[index], value);
+				return KEY_EQUALS(ENTRY_KEY(), key) && VALUE_EQUALS(ENTRY_VALUE(), value);
 #else if TYPE_OBJECT
-				return value instanceof CLASS_VALUE_TYPE && KEY_EQUALS(keys[index], key) && VALUE_EQUALS(values[index], CLASS_TO_VALUE(value));
+				return value instanceof CLASS_VALUE_TYPE && KEY_EQUALS(ENTRY_KEY(), key) && VALUE_EQUALS(ENTRY_VALUE(), CLASS_TO_VALUE(value));
 #else if VALUE_OBJECT
-				return key instanceof CLASS_TYPE && KEY_EQUALS(keys[index], CLASS_TO_KEY(key)) && VALUE_EQUALS(values[index], value);
+				return key instanceof CLASS_TYPE && KEY_EQUALS(ENTRY_KEY(), CLASS_TO_KEY(key)) && VALUE_EQUALS(ENTRY_VALUE(), value);
 #else
-				return key instanceof CLASS_TYPE && value instanceof CLASS_VALUE_TYPE && KEY_EQUALS(keys[index], CLASS_TO_KEY(key)) && VALUE_EQUALS(values[index], CLASS_TO_VALUE(value));
+				return key instanceof CLASS_TYPE && value instanceof CLASS_VALUE_TYPE && KEY_EQUALS(ENTRY_KEY(), CLASS_TO_KEY(key)) && VALUE_EQUALS(ENTRY_VALUE(), CLASS_TO_VALUE(value));
 #endif
 			}
 			return false;
@@ -727,12 +847,12 @@ public class ENUM_MAP KEY_ENUM_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE
 		
 		@Override
 		public int hashCode() {
-			return KEY_TO_HASH(keys[index]) ^ VALUE_TO_HASH(values[index]);
+			return KEY_TO_HASH(ENTRY_KEY()) ^ VALUE_TO_HASH(ENTRY_VALUE());
 		}
 		
 		@Override
 		public String toString() {
-			return KEY_TO_STRING(keys[index]) + "=" + VALUE_TO_STRING(values[index]);
+			return KEY_TO_STRING(ENTRY_KEY()) + "=" + VALUE_TO_STRING(ENTRY_VALUE());
 		}
 	}
 }

src/builder/resources/speiger/assets/collections/templates/maps/impl/misc/LinkedEnumMap.template

@@ -480,17 +480,17 @@ public class LINKED_ENUM_MAP KEY_ENUM_VALUE_GENERIC_TYPE extends ENUM_MAP KEY_VA
 		public void forEach(Consumer<? super MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			int index = firstIndex;
 			while(index != -1){
-				action.accept(new BasicEntryKV_BRACES(keys[index], values[index]));
+				action.accept(new ValueMapEntry(index));
 				index = (int)links[index];
 			}
 		}
 		
 		@Override
 		public void fastForEach(Consumer<? super MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
-			BasicEntry KEY_VALUE_GENERIC_TYPE entry = new BasicEntryKV_BRACES();
+			MapEntry entry = new MapEntry();
 			int index = firstIndex;
 			while(index != -1){
-				entry.set(keys[index], values[index]);
+				entry.set(index);
 				action.accept(entry);
 				index = (int)links[index];
 			}
@@ -749,12 +749,12 @@ public class LINKED_ENUM_MAP KEY_ENUM_VALUE_GENERIC_TYPE extends ENUM_MAP KEY_VA
 		
 		@Override
 		public MAP.Entry KEY_VALUE_GENERIC_TYPE next() {
-			return entry = new MapEntry(nextEntry());
+			return entry = new ValueMapEntry(nextEntry());
 		}
 		
 		@Override
 		public MAP.Entry KEY_VALUE_GENERIC_TYPE previous() {
-			return entry = new MapEntry(previousEntry());
+			return entry = new ValueMapEntry(previousEntry());
 		}
 		
 		@Override
@@ -903,6 +903,33 @@ public class LINKED_ENUM_MAP KEY_ENUM_VALUE_GENERIC_TYPE extends ENUM_MAP KEY_VA
 		}
 	}
 	
+	protected class ValueMapEntry extends MapEntry {
+		protected KEY_TYPE key;
+		protected VALUE_TYPE value;
+		
+		public ValueMapEntry(int index) {
+			super(index);
+			key = keys[index];
+			value = values[index];
+		}
+		
+		@Override
+		public KEY_TYPE ENTRY_KEY() {
+			return key;
+		}
+
+		@Override
+		public VALUE_TYPE ENTRY_VALUE() {
+			return value;
+		}
+		
+		@Override
+		public VALUE_TYPE setValue(VALUE_TYPE value) {
+			this.value = value;
+			return super.setValue(value);
+		}
+	}
+	
 	protected class MapEntry implements MAP.Entry KEY_VALUE_GENERIC_TYPE, Map.Entry<CLASS_TYPE, CLASS_VALUE_TYPE> {
 		public int index = -1;
 		
@@ -911,6 +938,10 @@ public class LINKED_ENUM_MAP KEY_ENUM_VALUE_GENERIC_TYPE extends ENUM_MAP KEY_VA
 			this.index = index;
 		}
 		
+		void set(int index) {
+			this.index = index;
+		}
+		
 		@Override
 		public KEY_TYPE ENTRY_KEY() {
 			return keys[index];
@@ -933,19 +964,19 @@ public class LINKED_ENUM_MAP KEY_ENUM_VALUE_GENERIC_TYPE extends ENUM_MAP KEY_VA
 			if(obj instanceof Map.Entry) {
 				if(obj instanceof MAP.Entry) {
 					MAP.Entry KEY_VALUE_GENERIC_TYPE entry = (MAP.Entry KEY_VALUE_GENERIC_TYPE)obj;
-					return KEY_EQUALS(keys[index], entry.ENTRY_KEY()) && VALUE_EQUALS(values[index], entry.ENTRY_VALUE());
+					return KEY_EQUALS(ENTRY_KEY(), entry.ENTRY_KEY()) && VALUE_EQUALS(ENTRY_VALUE(), entry.ENTRY_VALUE());
 				}
 				Map.Entry<?, ?> entry = (Map.Entry<?, ?>)obj;
 				Object key = entry.getKey();
 				Object value = entry.getValue();
 #if TYPE_OBJECT && VALUE_OBJECT
-				return KEY_EQUALS(keys[index], key) && VALUE_EQUALS(values[index], value);
+				return KEY_EQUALS(ENTRY_KEY(), key) && VALUE_EQUALS(ENTRY_VALUE(), value);
 #else if TYPE_OBJECT
-				return value instanceof CLASS_VALUE_TYPE && KEY_EQUALS(keys[index], key) && VALUE_EQUALS(values[index], CLASS_TO_VALUE(value));
+				return value instanceof CLASS_VALUE_TYPE && KEY_EQUALS(ENTRY_KEY(), key) && VALUE_EQUALS(ENTRY_VALUE(), CLASS_TO_VALUE(value));
 #else if VALUE_OBJECT
-				return key instanceof CLASS_TYPE && KEY_EQUALS(keys[index], CLASS_TO_KEY(key)) && VALUE_EQUALS(values[index], value);
+				return key instanceof CLASS_TYPE && KEY_EQUALS(ENTRY_KEY(), CLASS_TO_KEY(key)) && VALUE_EQUALS(ENTRY_VALUE(), value);
 #else
-				return key instanceof CLASS_TYPE && value instanceof CLASS_VALUE_TYPE && KEY_EQUALS(keys[index], CLASS_TO_KEY(key)) && VALUE_EQUALS(values[index], CLASS_TO_VALUE(value));
+				return key instanceof CLASS_TYPE && value instanceof CLASS_VALUE_TYPE && KEY_EQUALS(ENTRY_KEY(), CLASS_TO_KEY(key)) && VALUE_EQUALS(ENTRY_VALUE(), CLASS_TO_VALUE(value));
 #endif
 			}
 			return false;
@@ -953,12 +984,12 @@ public class LINKED_ENUM_MAP KEY_ENUM_VALUE_GENERIC_TYPE extends ENUM_MAP KEY_VA
 		
 		@Override
 		public int hashCode() {
-			return KEY_TO_HASH(keys[index]) ^ VALUE_TO_HASH(values[index]);
+			return KEY_TO_HASH(ENTRY_KEY()) ^ VALUE_TO_HASH(ENTRY_VALUE());
 		}
 		
 		@Override
 		public String toString() {
-			return KEY_TO_STRING(keys[index]) + "=" + VALUE_TO_STRING(values[index]);
+			return KEY_TO_STRING(ENTRY_KEY()) + "=" + VALUE_TO_STRING(ENTRY_VALUE());
 		}
 	}
 }

src/builder/resources/speiger/assets/collections/templates/maps/impl/tree/AVLTreeMap.template

@@ -28,13 +28,15 @@ import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 #if !TYPE_OBJECT && !VALUE_OBJECT
 import speiger.src.collections.ints.functions.consumer.IntObjectConsumer;
 #endif
-#if !SAME_TYPE
+#if !SAME_TYPE && !TYPE_INT
 import speiger.src.collections.ints.functions.consumer.VALUE_BI_FROM_INT_CONSUMER;
 #endif
 #if !VALUE_BOOLEAN || !JDK_TYPE
 import speiger.src.collections.PACKAGE.functions.function.FUNCTION;
 #endif
+#if !TYPE_INT || !SAME_TYPE
 import speiger.src.collections.PACKAGE.functions.consumer.BI_CONSUMER;
+#endif
 #if !TYPE_OBJECT && !VALUE_BOOLEAN && !JDK_TYPE
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
 #endif
@@ -544,6 +546,32 @@ public class AVL_TREE_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_
 		Objects.requireNonNull(mappingFunction);
 #if TYPE_OBJECT
 		validate(key);
+#endif
+		Node KEY_VALUE_GENERIC_TYPE entry = findNode(key);
+		if(entry == null) {
+			VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, getDefaultReturnValue());
+#if VALUE_OBJECT
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+			put(key, newValue);
+			return newValue;
+		}
+		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, entry.value);
+#if VALUE_OBJECT
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			removeNode(entry);
+			return newValue;
+		}
+#endif
+		entry.value = newValue;
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTENonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
+#if TYPE_OBJECT
+		validate(key);
 #endif
 		Node KEY_VALUE_GENERIC_TYPE entry = findNode(key);
 		if(entry == null) {
@@ -566,6 +594,31 @@ public class AVL_TREE_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_
 		Objects.requireNonNull(mappingFunction);
 #if TYPE_OBJECT
 		validate(key);
+#endif
+		Node KEY_VALUE_GENERIC_TYPE entry = findNode(key);
+		if(entry == null) {
+			VALUE_TYPE newValue = mappingFunction.APPLY(key);
+#if VALUE_OBJECT
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+			put(key, newValue);
+			return newValue;
+		}
+#if VALUE_OBJECT
+		if(Objects.equals(entry.value, getDefaultReturnValue())) {
+			VALUE_TYPE newValue = mappingFunction.APPLY(key);
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+			entry.value = newValue;
+		}
+#endif
+		return entry.value;
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTE_IF_ABSENTNonDefault(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
+#if TYPE_OBJECT
+		validate(key);
 #endif
 		Node KEY_VALUE_GENERIC_TYPE entry = findNode(key);
 		if(entry == null) {
@@ -587,6 +640,31 @@ public class AVL_TREE_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_
 		Objects.requireNonNull(valueProvider);
 #if TYPE_OBJECT
 		validate(key);
+#endif
+		Node KEY_VALUE_GENERIC_TYPE entry = findNode(key);
+		if(entry == null) {
+			VALUE_TYPE newValue = valueProvider.VALUE_SUPPLY_GET();
+#if VALUE_OBJECT
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+			put(key, newValue);
+			return newValue;
+		}
+#if VALUE_OBJECT
+		if(VALUE_EQUALS(entry.value, getDefaultReturnValue())) {
+			VALUE_TYPE newValue = valueProvider.VALUE_SUPPLY_GET();
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+			entry.value = newValue;
+		}
+#endif
+		return entry.value;
+	}
+	
+	@Override
+	public VALUE_TYPE SUPPLY_IF_ABSENTNonDefault(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) {
+		Objects.requireNonNull(valueProvider);
+#if TYPE_OBJECT
+		validate(key);
 #endif
 		Node KEY_VALUE_GENERIC_TYPE entry = findNode(key);
 		if(entry == null) {
@@ -608,6 +686,28 @@ public class AVL_TREE_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_
 		Objects.requireNonNull(mappingFunction);
 #if TYPE_OBJECT
 		validate(key);
+#endif
+		Node KEY_VALUE_GENERIC_TYPE entry = findNode(key);
+#if !VALUE_OBJECT
+		if(entry == null) return getDefaultReturnValue();
+		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, entry.value);
+#else
+		if(entry == null || VALUE_EQUALS(entry.value, getDefaultReturnValue())) return getDefaultReturnValue();
+		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, entry.value);
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			removeNode(entry);
+			return newValue;
+		}
+#endif
+		entry.value = newValue;
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTE_IF_PRESENTNonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
+#if TYPE_OBJECT
+		validate(key);
 #endif
 		Node KEY_VALUE_GENERIC_TYPE entry = findNode(key);
 		if(entry == null || VALUE_EQUALS(entry.value, getDefaultReturnValue())) return getDefaultReturnValue();

src/builder/resources/speiger/assets/collections/templates/maps/impl/tree/RBTreeMap.template

@@ -27,13 +27,15 @@ import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 #if !TYPE_OBJECT && !VALUE_OBJECT
 import speiger.src.collections.ints.functions.consumer.IntObjectConsumer;
 #endif
-#if !SAME_TYPE
+#if !SAME_TYPE && !TYPE_INT
 import speiger.src.collections.ints.functions.consumer.VALUE_BI_FROM_INT_CONSUMER;
 #endif
 #if !VALUE_BOOLEAN || !JDK_TYPE
 import speiger.src.collections.PACKAGE.functions.function.FUNCTION;
 #endif
+#if !TYPE_INT || !SAME_TYPE
 import speiger.src.collections.PACKAGE.functions.consumer.BI_CONSUMER;
+#endif
 #if !TYPE_OBJECT && !VALUE_BOOLEAN && !JDK_TYPE
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
 #endif
@@ -546,6 +548,32 @@ public class RB_TREE_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_G
 		Objects.requireNonNull(mappingFunction);
 #if TYPE_OBJECT
 		validate(key);
+#endif
+		Node KEY_VALUE_GENERIC_TYPE entry = findNode(key);
+		if(entry == null) {
+			VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, getDefaultReturnValue());
+#if VALUE_OBJECT
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+			put(key, newValue);
+			return newValue;
+		}
+		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, entry.value);
+#if VALUE_OBJECT
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			removeNode(entry);
+			return newValue;
+		}
+#endif
+		entry.value = newValue;
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTENonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
+#if TYPE_OBJECT
+		validate(key);
 #endif
 		Node KEY_VALUE_GENERIC_TYPE entry = findNode(key);
 		if(entry == null) {
@@ -568,6 +596,31 @@ public class RB_TREE_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_G
 		Objects.requireNonNull(mappingFunction);
 #if TYPE_OBJECT
 		validate(key);
+#endif
+		Node KEY_VALUE_GENERIC_TYPE entry = findNode(key);
+		if(entry == null) {
+			VALUE_TYPE newValue = mappingFunction.APPLY(key);
+#if VALUE_OBJECT
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+			put(key, newValue);
+			return newValue;
+		}
+#if VALUE_OBJECT
+		if(Objects.equals(entry.value, getDefaultReturnValue())) {
+			VALUE_TYPE newValue = mappingFunction.APPLY(key);
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+			entry.value = newValue;
+		}
+#endif
+		return entry.value;
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTE_IF_ABSENTNonDefault(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
+#if TYPE_OBJECT
+		validate(key);
 #endif
 		Node KEY_VALUE_GENERIC_TYPE entry = findNode(key);
 		if(entry == null) {
@@ -589,6 +642,31 @@ public class RB_TREE_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_G
 		Objects.requireNonNull(valueProvider);
 #if TYPE_OBJECT
 		validate(key);
+#endif
+		Node KEY_VALUE_GENERIC_TYPE entry = findNode(key);
+		if(entry == null) {
+			VALUE_TYPE newValue = valueProvider.VALUE_SUPPLY_GET();
+#if VALUE_OBJECT
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+#endif
+			put(key, newValue);
+			return newValue;
+		}
+#if VALUE_OBJECT
+		if(VALUE_EQUALS(entry.value, getDefaultReturnValue())) {
+			VALUE_TYPE newValue = valueProvider.VALUE_SUPPLY_GET();
+			if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
+			entry.value = newValue;
+		}
+#endif
+		return entry.value;
+	}
+	
+	@Override
+	public VALUE_TYPE SUPPLY_IF_ABSENTNonDefault(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) {
+		Objects.requireNonNull(valueProvider);
+#if TYPE_OBJECT
+		validate(key);
 #endif
 		Node KEY_VALUE_GENERIC_TYPE entry = findNode(key);
 		if(entry == null) {
@@ -610,6 +688,28 @@ public class RB_TREE_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_G
 		Objects.requireNonNull(mappingFunction);
 #if TYPE_OBJECT
 		validate(key);
+#endif
+		Node KEY_VALUE_GENERIC_TYPE entry = findNode(key);
+#if !VALUE_OBJECT
+		if(entry == null) return getDefaultReturnValue();
+		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, entry.value);
+#else
+		if(entry == null || VALUE_EQUALS(entry.value, getDefaultReturnValue())) return getDefaultReturnValue();
+		VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, entry.value);
+		if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
+			removeNode(entry);
+			return newValue;
+		}
+#endif
+		entry.value = newValue;
+		return newValue;
+	}
+	
+	@Override
+	public VALUE_TYPE COMPUTE_IF_PRESENTNonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
+		Objects.requireNonNull(mappingFunction);
+#if TYPE_OBJECT
+		validate(key);
 #endif
 		Node KEY_VALUE_GENERIC_TYPE entry = findNode(key);
 		if(entry == null || VALUE_EQUALS(entry.value, getDefaultReturnValue())) return getDefaultReturnValue();

src/builder/resources/speiger/assets/collections/templates/maps/interfaces/Map.template

@@ -382,6 +382,8 @@ public interface MAP KEY_VALUE_GENERIC_TYPE extends Map<CLASS_TYPE, CLASS_VALUE_
 	public void REPLACE_VALUES(UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction);
 	/**
 	 * A Type Specific compute method to reduce boxing/unboxing
+	 * If the generated value equals the getDefaultReturnValue it will simply not insert it since that is treated as "null".
+	 * A "Null Value" will be treated as "Do not insert/remove" based on how the Java has specified it.
 	 * @param key the key that should be computed
 	 * @param mappingFunction the operator that should generate the value
 	 * @return the result of the computation
@@ -389,29 +391,73 @@ public interface MAP KEY_VALUE_GENERIC_TYPE extends Map<CLASS_TYPE, CLASS_VALUE_
 	public VALUE_TYPE COMPUTE(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction);
 	/**
 	 * A Type Specific compute method to reduce boxing/unboxing
+	 * If the generated value equals the getDefaultReturnValue it will simply not insert it since that is treated as "null".
+	 * A "Null Value" will be treated as "Do not insert/remove" based on how the Java has specified it.
+	 * @param key the key that should be computed
+	 * @param mappingFunction the operator that should generate the value
+	 * @return the result of the computation
+	 */
+	public VALUE_TYPE COMPUTENonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction);
+	/**
+	 * A Type Specific computeIfAbsent method to reduce boxing/unboxing
+	 * If the generated value equals the getDefaultReturnValue it will simply not insert it since that is treated as "null".
+	 * A "Null Value" will be treated as "Do not insert/remove" based on how the Java has specified it.
 	 * @param key the key that should be computed
 	 * @param mappingFunction the operator that should generate the value if not present
 	 * @return the result of the computed value or present value
 	 */
 	public VALUE_TYPE COMPUTE_IF_ABSENT(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction);
-	
+	/**
+	 * A Type Specific computeIfAbsent method to reduce boxing/unboxing
+	 * If the generated value equals the getDefaultReturnValue it will simply not insert it since that is treated as "null".
+	 * A "Null Value" will be treated as "Do not insert/remove" based on how the Java has specified it.
+	 * @param key the key that should be computed
+	 * @param mappingFunction the operator that should generate the value if not present
+	 * @return the result of the computed value or present value
+	 */
+	public VALUE_TYPE COMPUTE_IF_ABSENTNonDefault(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction);
 	/**
 	 * A Supplier based computeIfAbsent function to fill the most used usecase of this function
+	 * If the generated value equals the getDefaultReturnValue it will simply not insert it since that is treated as "null".
+	 * A "Null Value" will be treated as "Do not insert/remove" based on how the Java has specified it.
 	 * @param key the key that should be computed
 	 * @param valueProvider the value if not present
 	 * @return the result of the computed value or present value
 	 */	
 	public VALUE_TYPE SUPPLY_IF_ABSENT(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider);
+	/**
+	 * A Supplier based computeIfAbsent function to fill the most used usecase of this function
+	 * If the generated value equals the getDefaultReturnValue it will simply not insert it since that is treated as "null".
+	 * A "Null Value" will be treated as "Do not insert/remove" based on how the Java has specified it.
+	 * @param key the key that should be computed
+	 * @param valueProvider the value if not present
+	 * @return the result of the computed value or present value
+	 */	
+	public VALUE_TYPE SUPPLY_IF_ABSENTNonDefault(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider);
 	/**
 	 * A Type Specific compute method to reduce boxing/unboxing
+	 * If the generated value equals the getDefaultReturnValue it will simply not insert it since that is treated as "null".
+	 * A "Null Value" will be treated as "Do not insert/remove" based on how the Java has specified it.
 	 * @param key the key that should be computed
 	 * @param mappingFunction the operator that should generate the value if present
 	 * @return the result of the default return value or present value
 	 * @note if not present then compute is not executed
 	 */
 	public VALUE_TYPE COMPUTE_IF_PRESENT(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction);
+	/**
+	 * A Type Specific compute method to reduce boxing/unboxing
+	 * If the generated value equals the getDefaultReturnValue it will simply not insert it since that is treated as "null".
+	 * A "Null Value" will be treated as "Do not insert/remove" based on how the Java has specified it.
+	 * @param key the key that should be computed
+	 * @param mappingFunction the operator that should generate the value if present
+	 * @return the result of the default return value or present value
+	 * @note if not present then compute is not executed
+	 */
+	public VALUE_TYPE COMPUTE_IF_PRESENTNonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction);
 	/**
 	 * A Type Specific merge method to reduce boxing/unboxing
+	 * If the generated value equals the getDefaultReturnValue it will simply not insert it since that is treated as "null".
+	 * A "Null Value" will be treated as "Do not insert/remove" based on how the Java has specified it.
 	 * @param key the key that should be be searched for
 	 * @param value the value that should be merged with
 	 * @param mappingFunction the operator that should generate the new Value
@@ -421,6 +467,8 @@ public interface MAP KEY_VALUE_GENERIC_TYPE extends Map<CLASS_TYPE, CLASS_VALUE_
 	public VALUE_TYPE MERGE(KEY_TYPE key, VALUE_TYPE value, VALUE_UNARY_OPERATOR VALUE_VALUE_GENERIC_TYPE mappingFunction);
 	/**
 	 * A Bulk method for merging Maps.
+	 * If the generated value equals the getDefaultReturnValue it will simply not insert it since that is treated as "null".
+	 * A "Null Value" will be treated as "Do not insert/remove" based on how the Java has specified it.
 	 * @param m the entries that should be bulk added
 	 * @param mappingFunction the operator that should generate the new Value
 	 * @note if the result matches the default return value then the key is removed from the map

src/builder/resources/speiger/assets/collections/templates/queues/PriorityQueue.template

@@ -185,6 +185,7 @@ public interface PRIORITY_QUEUE KEY_GENERIC_TYPE extends ITERABLE KEY_GENERIC_TY
 	/**
 	 * A Helper function that simplifies the process of creating a new Array.
 	 * @param action the array creation function
+	 * @param <E> the returning arrayType
 	 * @return an array containing all of the elements in this collection
 	 * @see Collection#toArray(Object[])
 	 */

src/builder/resources/speiger/assets/collections/templates/sets/AVLTreeSet.template

@@ -27,6 +27,7 @@ import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
 import speiger.src.collections.PACKAGE.functions.function.UNARY_OPERATOR;
 import speiger.src.collections.PACKAGE.collections.COLLECTION;
 import speiger.src.collections.PACKAGE.collections.ITERATOR;
+import speiger.src.collections.objects.utils.ObjectArrays;
 #if !TYPE_OBJECT
 import speiger.src.collections.PACKAGE.utils.ITERATORS;
 #endif
@@ -651,6 +652,44 @@ public class AVL_TREE_SET KEY_GENERIC_TYPE extends ABSTRACT_SET KEY_GENERIC_TYPE
 		tree = null;
 	}
 	
+#if !TYPE_OBJECT
+	@Override
+	public KEY_TYPE[] TO_ARRAY(KEY_TYPE[] a) {
+		if(a == null || a.length < size()) a = new KEY_TYPE[size()];
+		int index = 0;
+		for(Entry KEY_GENERIC_TYPE entry = first;entry != null;entry = entry.next()) {
+			a[index++] = entry.key;
+		}
+		if (a.length > size) a[size] = EMPTY_KEY_VALUE;
+		return a;
+	}
+	
+#endif
+	@Override
+	@Deprecated
+	public Object[] toArray() {
+		if(isEmpty()) return ObjectArrays.EMPTY_ARRAY;
+		Object[] obj = new Object[size()];
+		int index = 0;
+		for(Entry KEY_GENERIC_TYPE entry = first;entry != null;entry = entry.next()) {
+			obj[index++] = KEY_TO_OBJ(entry.key);
+		}
+		return obj;
+	}
+	
+	@Override
+	@Primitive
+	public <E> E[] toArray(E[] a) {
+		if(a == null) a = (E[])new Object[size()];
+		else if(a.length < size()) a = (E[])ObjectArrays.newArray(a.getClass().getComponentType(), size());
+		int index = 0;
+		for(Entry KEY_GENERIC_TYPE entry = first;entry != null;entry = entry.next()) {
+			a[index++] = (E)KEY_TO_OBJ(entry.key);
+		}
+		if (a.length > size) a[size] = null;
+		return a;
+	}
+	
 	public AVL_TREE_SET KEY_GENERIC_TYPE copy() {
 		AVL_TREE_SET KEY_GENERIC_TYPE set = new AVL_TREE_SETBRACES();
 		set.size = size;

src/builder/resources/speiger/assets/collections/templates/sets/ImmutableOpenHashSet.template

@@ -27,6 +27,9 @@ import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
 import speiger.src.collections.PACKAGE.functions.function.UNARY_OPERATOR;
 import speiger.src.collections.PACKAGE.lists.LIST_ITERATOR;
 import speiger.src.collections.PACKAGE.utils.ARRAYS;
+#if !TYPE_OBJECT
+import speiger.src.collections.objects.utils.ObjectArrays;
+#endif
 import speiger.src.collections.PACKAGE.utils.ITERATORS;
 
 import speiger.src.collections.utils.HashUtil;
@@ -460,6 +463,41 @@ public class IMMUTABLE_HASH_SET KEY_GENERIC_TYPE extends ABSTRACT_SET KEY_GENERI
 		return new SetIterator(fromElement);
 	}
 	
+#if !TYPE_OBJECT
+	@Override
+	public KEY_TYPE[] TO_ARRAY(KEY_TYPE[] a) {
+		if(a == null || a.length < size()) a = new KEY_TYPE[size()];
+		for(int i = 0, index = firstIndex;index != -1;i++,index = (int)links[index]) {
+			a[i] = keys[index];
+		}
+		if (a.length > size) a[size] = EMPTY_KEY_VALUE;
+		return a;
+	}
+	
+#endif
+	@Override
+	@Deprecated
+	public Object[] toArray() {
+		if(isEmpty()) return ObjectArrays.EMPTY_ARRAY;
+		Object[] obj = new Object[size()];
+		for(int i = 0, index = firstIndex;index != -1;i++,index = (int)links[index]) {
+			obj[i] = KEY_TO_OBJ(keys[index]);
+		}
+		return obj;
+	}
+	
+	@Override
+	@Primitive
+	public <E> E[] toArray(E[] a) {
+		if(a == null) a = (E[])new Object[size()];
+		else if(a.length < size()) a = (E[])ObjectArrays.newArray(a.getClass().getComponentType(), size());
+		for(int i = 0, index = firstIndex;index != -1;i++,index = (int)links[index]) {
+			a[i] = (E)KEY_TO_OBJ(keys[index]);
+		}
+		if (a.length > size) a[size] = null;
+		return a;
+	}
+	
 	@Override
 	public IMMUTABLE_HASH_SET KEY_GENERIC_TYPE copy() {
 		IMMUTABLE_HASH_SET KEY_GENERIC_TYPE set = new IMMUTABLE_HASH_SETBRACES();

src/builder/resources/speiger/assets/collections/templates/sets/LinkedOpenCustomHashSet.template

@@ -28,6 +28,7 @@ import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUME
 #if !JDK_FUNCTION
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
 #endif
+import speiger.src.collections.objects.utils.ObjectArrays;
 import speiger.src.collections.PACKAGE.functions.function.UNARY_OPERATOR;
 import speiger.src.collections.PACKAGE.utils.STRATEGY;
 import speiger.src.collections.utils.HashUtil;
@@ -528,6 +529,41 @@ public class LINKED_CUSTOM_HASH_SET KEY_GENERIC_TYPE extends CUSTOM_HASH_SET KEY
 		containsNull = false;
 	}
 	
+#if !TYPE_OBJECT
+	@Override
+	public KEY_TYPE[] TO_ARRAY(KEY_TYPE[] a) {
+		if(a == null || a.length < size()) a = new KEY_TYPE[size()];
+		for(int i = 0, index = firstIndex;index != -1;i++,index = (int)links[index]) {
+			a[i] = keys[index];
+		}
+		if (a.length > size) a[size] = EMPTY_KEY_VALUE;
+		return a;
+	}
+	
+#endif
+	@Override
+	@Deprecated
+	public Object[] toArray() {
+		if(isEmpty()) return ObjectArrays.EMPTY_ARRAY;
+		Object[] obj = new Object[size()];
+		for(int i = 0, index = firstIndex;index != -1;i++,index = (int)links[index]) {
+			obj[i] = KEY_TO_OBJ(keys[index]);
+		}
+		return obj;
+	}
+	
+	@Override
+	@Primitive
+	public <E> E[] toArray(E[] a) {
+		if(a == null) a = (E[])new Object[size()];
+		else if(a.length < size()) a = (E[])ObjectArrays.newArray(a.getClass().getComponentType(), size());
+		for(int i = 0, index = firstIndex;index != -1;i++,index = (int)links[index]) {
+			a[i] = (E)KEY_TO_OBJ(keys[index]);
+		}
+		if (a.length > size) a[size] = null;
+		return a;
+	}
+	
 	@Override
 	public void forEach(CONSUMER KEY_SUPER_GENERIC_TYPE action) {
 		Objects.requireNonNull(action);

src/builder/resources/speiger/assets/collections/templates/sets/LinkedOpenHashSet.template

@@ -31,6 +31,7 @@ import speiger.src.collections.PACKAGE.lists.LIST_ITERATOR;
 #if !TYPE_OBJECT
 import speiger.src.collections.PACKAGE.utils.ITERATORS;
 #endif
+import speiger.src.collections.objects.utils.ObjectArrays;
 import speiger.src.collections.utils.HashUtil;
 import speiger.src.collections.utils.SanityChecks;
 
@@ -383,6 +384,41 @@ public class LINKED_HASH_SET KEY_GENERIC_TYPE extends HASH_SET KEY_GENERIC_TYPE
 		return result;
 	}
 	
+#if !TYPE_OBJECT
+	@Override
+	public KEY_TYPE[] TO_ARRAY(KEY_TYPE[] a) {
+		if(a == null || a.length < size()) a = new KEY_TYPE[size()];
+		for(int i = 0, index = firstIndex;index != -1;i++,index = (int)links[index]) {
+			a[i] = keys[index];
+		}
+		if (a.length > size) a[size] = EMPTY_KEY_VALUE;
+		return a;
+	}
+	
+#endif
+	@Override
+	@Deprecated
+	public Object[] toArray() {
+		if(isEmpty()) return ObjectArrays.EMPTY_ARRAY;
+		Object[] obj = new Object[size()];
+		for(int i = 0, index = firstIndex;index != -1;i++,index = (int)links[index]) {
+			obj[i] = KEY_TO_OBJ(keys[index]);
+		}
+		return obj;
+	}
+	
+	@Override
+	@Primitive
+	public <E> E[] toArray(E[] a) {
+		if(a == null) a = (E[])new Object[size()];
+		else if(a.length < size()) a = (E[])ObjectArrays.newArray(a.getClass().getComponentType(), size());
+		for(int i = 0, index = firstIndex;index != -1;i++,index = (int)links[index]) {
+			a[i] = (E)KEY_TO_OBJ(keys[index]);
+		}
+		if (a.length > size) a[size] = null;
+		return a;
+	}
+	
 	@Override
 	public void forEach(CONSUMER KEY_SUPER_GENERIC_TYPE action) {
 		Objects.requireNonNull(action);

src/builder/resources/speiger/assets/collections/templates/sets/OpenCustomHashSet.template

@@ -27,6 +27,7 @@ import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
 #endif
 import speiger.src.collections.PACKAGE.functions.function.UNARY_OPERATOR;
 import speiger.src.collections.PACKAGE.utils.STRATEGY;
+import speiger.src.collections.objects.utils.ObjectArrays;
 
 import speiger.src.collections.utils.HashUtil;
 import speiger.src.collections.utils.ITrimmable;
@@ -479,6 +480,44 @@ public class CUSTOM_HASH_SET KEY_GENERIC_TYPE extends ABSTRACT_SET KEY_GENERIC_T
 		return new SetIterator();
 	}
 	
+#if !TYPE_OBJECT
+	@Override
+	public KEY_TYPE[] TO_ARRAY(KEY_TYPE[] a) {
+		if(a == null || a.length < size()) a = new KEY_TYPE[size()];
+		if(containsNull) a[0] = EMPTY_KEY_VALUE;
+		for(int i = nullIndex-1, index = containsNull ? 1 : 0;i>=0;i--) {
+			if(!strategy.equals(keys[i], EMPTY_KEY_VALUE)) a[index++] = keys[i];
+		}
+		if (a.length > size) a[size] = EMPTY_KEY_VALUE;
+		return a;
+	}
+	
+#endif
+	@Override
+	@Deprecated
+	public Object[] toArray() {
+		if(isEmpty()) return ObjectArrays.EMPTY_ARRAY;
+		Object[] obj = new Object[size()];
+		if(containsNull) obj[0] = KEY_TO_OBJ(EMPTY_KEY_VALUE);
+		for(int i = nullIndex-1, index = containsNull ? 1 : 0;i>=0;i--) {
+			if(!strategy.equals(keys[i], EMPTY_KEY_VALUE)) obj[index++] = KEY_TO_OBJ(keys[i]);
+		}
+		return obj;
+	}
+	
+	@Override
+	@Primitive
+	public <E> E[] toArray(E[] a) {
+		if(a == null) a = (E[])new Object[size()];
+		else if(a.length < size()) a = (E[])ObjectArrays.newArray(a.getClass().getComponentType(), size());
+		if(containsNull) a[0] = (E)KEY_TO_OBJ(EMPTY_KEY_VALUE);
+		for(int i = nullIndex-1, index = containsNull ? 1 : 0;i>=0;i--) {
+			if(!strategy.equals(keys[i], EMPTY_KEY_VALUE)) a[index++] = (E)KEY_TO_OBJ(keys[i]);
+		}
+		if (a.length > size) a[size] = null;
+		return a;
+	}
+	
 	@Override
 	public CUSTOM_HASH_SET KEY_GENERIC_TYPE copy() {
 		CUSTOM_HASH_SET KEY_GENERIC_TYPE set = new CUSTOM_HASH_SETBRACES(0, loadFactor, strategy);

src/builder/resources/speiger/assets/collections/templates/sets/OpenHashSet.template

@@ -26,6 +26,8 @@ import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUME
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
 #endif
 import speiger.src.collections.PACKAGE.functions.function.UNARY_OPERATOR;
+import speiger.src.collections.objects.utils.ObjectArrays;
+
 import speiger.src.collections.utils.HashUtil;
 import speiger.src.collections.utils.ITrimmable;
 import speiger.src.collections.utils.SanityChecks;
@@ -368,6 +370,44 @@ public class HASH_SET KEY_GENERIC_TYPE extends ABSTRACT_SET KEY_GENERIC_TYPE imp
 		containsNull = false;
 	}
 	
+#if !TYPE_OBJECT
+	@Override
+	public KEY_TYPE[] TO_ARRAY(KEY_TYPE[] a) {
+		if(a == null || a.length < size()) a = new KEY_TYPE[size()];
+		if(containsNull) a[0] = EMPTY_KEY_VALUE;
+		for(int i = nullIndex-1, index = containsNull ? 1 : 0;i>=0;i--) {
+			if(KEY_EQUALS_NOT_NULL(keys[i])) a[index++] = keys[i];
+		}
+		if (a.length > size) a[size] = EMPTY_KEY_VALUE;
+		return a;
+	}
+	
+#endif
+	@Override
+	@Deprecated
+	public Object[] toArray() {
+		if(isEmpty()) return ObjectArrays.EMPTY_ARRAY;
+		Object[] obj = new Object[size()];
+		if(containsNull) obj[0] = KEY_TO_OBJ(EMPTY_KEY_VALUE);
+		for(int i = nullIndex-1, index = containsNull ? 1 : 0;i>=0;i--) {
+			if(KEY_EQUALS_NOT_NULL(keys[i])) obj[index++] = KEY_TO_OBJ(keys[i]);
+		}
+		return obj;
+	}
+	
+	@Override
+	@Primitive
+	public <E> E[] toArray(E[] a) {
+		if(a == null) a = (E[])new Object[size()];
+		else if(a.length < size()) a = (E[])ObjectArrays.newArray(a.getClass().getComponentType(), size());
+		if(containsNull) a[0] = (E)KEY_TO_OBJ(EMPTY_KEY_VALUE);
+		for(int i = nullIndex-1, index = containsNull ? 1 : 0;i>=0;i--) {
+			if(KEY_EQUALS_NOT_NULL(keys[i])) a[index++] = (E)KEY_TO_OBJ(keys[i]);
+		}
+		if (a.length > size) a[size] = null;
+		return a;
+	}
+	
 	@Override
 	public void forEach(CONSUMER KEY_SUPER_GENERIC_TYPE action) {
 		if(size() <= 0) return;

src/builder/resources/speiger/assets/collections/templates/sets/RBTreeSet.template

@@ -27,6 +27,7 @@ import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
 import speiger.src.collections.PACKAGE.functions.function.UNARY_OPERATOR;
 import speiger.src.collections.PACKAGE.collections.COLLECTION;
 import speiger.src.collections.PACKAGE.collections.ITERATOR;
+import speiger.src.collections.objects.utils.ObjectArrays;
 #if !TYPE_OBJECT
 import speiger.src.collections.PACKAGE.utils.ITERATORS;
 #endif
@@ -652,6 +653,44 @@ public class RB_TREE_SET KEY_GENERIC_TYPE extends ABSTRACT_SET KEY_GENERIC_TYPE
 		tree = null;
 	}
 	
+#if !TYPE_OBJECT
+	@Override
+	public KEY_TYPE[] TO_ARRAY(KEY_TYPE[] a) {
+		if(a == null || a.length < size()) a = new KEY_TYPE[size()];
+		int index = 0;
+		for(Entry KEY_GENERIC_TYPE entry = first;entry != null;entry = entry.next()) {
+			a[index++] = entry.key;
+		}
+		if (a.length > size) a[size] = EMPTY_KEY_VALUE;
+		return a;
+	}
+	
+#endif
+	@Override
+	@Deprecated
+	public Object[] toArray() {
+		if(isEmpty()) return ObjectArrays.EMPTY_ARRAY;
+		Object[] obj = new Object[size()];
+		int index = 0;
+		for(Entry KEY_GENERIC_TYPE entry = first;entry != null;entry = entry.next()) {
+			obj[index++] = KEY_TO_OBJ(entry.key);
+		}
+		return obj;
+	}
+	
+	@Override
+	@Primitive
+	public <E> E[] toArray(E[] a) {
+		if(a == null) a = (E[])new Object[size()];
+		else if(a.length < size()) a = (E[])ObjectArrays.newArray(a.getClass().getComponentType(), size());
+		int index = 0;
+		for(Entry KEY_GENERIC_TYPE entry = first;entry != null;entry = entry.next()) {
+			a[index++] = (E)KEY_TO_OBJ(entry.key);
+		}
+		if (a.length > size) a[size] = null;
+		return a;
+	}
+	
 	public RB_TREE_SET KEY_GENERIC_TYPE copy() {
 		RB_TREE_SET KEY_GENERIC_TYPE set = new RB_TREE_SETBRACES();
 		set.size = size;

src/builder/resources/speiger/assets/collections/templates/utils/Arrays.template

@@ -16,8 +16,6 @@ import java.util.function.IntFunction;
 
 #endif
 import speiger.src.collections.PACKAGE.collections.ITERATOR;
-import speiger.src.collections.PACKAGE.utils.ITERATORS;
-import speiger.src.collections.PACKAGE.utils.COLLECTIONS;
 import speiger.src.collections.utils.SanityChecks;
 
 /**
@@ -147,6 +145,7 @@ public class ARRAYS
 	 * A Helper function that pours all elements of a iterator into a Array
 	 * @param iter the elements that should be gathered.
 	 * @ArrayType(T)
+	 * @ArrayType(E)
 	 * @param action that is creating the Array to be poured into
 	 * @return array with all elements of the iterator
 	 */
@@ -160,6 +159,7 @@ public class ARRAYS
 	 * @param max how many elements should be added
 	 * @param action that is creating the Array to be poured into
 	 * @ArrayType(T)
+	 * @ArrayType(E)
 	 * @return array with all requested elements of the iterator
 	 */
 	public static <T, E> E[] pour(ITERATOR KEY_GENERIC_TYPE iter, int max, IntFunction<E[]> action) {

src/builder/resources/speiger/assets/collections/templates/utils/Collections.template

@@ -27,10 +27,9 @@ import speiger.src.collections.PACKAGE.collections.ITERATOR;
 #if !TYPE_OBJECT
 import speiger.src.collections.PACKAGE.functions.COMPARATOR;
 #endif
-import speiger.src.collections.objects.utils.ObjectArrays;
 #if !TYPE_OBJECT
+import speiger.src.collections.objects.utils.ObjectArrays;
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
-import speiger.src.collections.PACKAGE.utils.ARRAYS;
 #endif
 #if !JDK_FUNCTION
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;

src/builder/resources/speiger/assets/collections/templates/utils/Lists.template

@@ -25,9 +25,6 @@ import speiger.src.collections.PACKAGE.functions.CONSUMER;
 import speiger.src.collections.PACKAGE.lists.ABSTRACT_LIST;
 import speiger.src.collections.PACKAGE.lists.LIST;
 import speiger.src.collections.PACKAGE.lists.LIST_ITERATOR;
-#if IARRAY_FEATURE
-import speiger.src.collections.PACKAGE.utils.ARRAYS;
-#endif
 import speiger.src.collections.utils.SanityChecks;
 
 /**
@@ -416,6 +413,11 @@ public class LISTS
 			return LISTS.synchronize(l.subList(from, to));
 		}
 		
+		@Override
+		public LIST KEY_GENERIC_TYPE reversed() {
+			return LISTS.synchronize(l.reversed());
+		}
+		
 		@Override
 		public void size(int size) { synchronized(mutex) { l.size(size); } }
 		
@@ -538,6 +540,11 @@ public class LISTS
 			return LISTS.unmodifiable(l.subList(from, to));
 		}
 		
+		@Override
+		public LIST KEY_GENERIC_TYPE reversed() {
+			return LISTS.unmodifiable(l.reversed());
+		}
+		
 		@Override
 		public void size(int size) { throw new UnsupportedOperationException(); }
 		
@@ -639,6 +646,9 @@ public class LISTS
 		@Override
 		public LIST KEY_GENERIC_TYPE subList(int from, int to) { throw new UnsupportedOperationException(); }
 		
+		@Override
+		public LIST KEY_GENERIC_TYPE reversed() { return this; }
+		
 		@Override
 		public void size(int size) { throw new UnsupportedOperationException(); }
 		

src/builder/resources/speiger/assets/collections/templates/utils/maps/Maps.template

@@ -341,12 +341,20 @@ public class MAPS
 		@Override
 		public VALUE_TYPE COMPUTE(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
 		@Override
+		public VALUE_TYPE COMPUTENonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
+		@Override
 		public VALUE_TYPE COMPUTE_IF_ABSENT(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
 		@Override
+		public VALUE_TYPE COMPUTE_IF_ABSENTNonDefault(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
+		@Override
 		public VALUE_TYPE COMPUTE_IF_PRESENT(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
 		@Override
+		public VALUE_TYPE COMPUTE_IF_PRESENTNonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
+		@Override
 		public VALUE_TYPE SUPPLY_IF_ABSENT(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) { throw new UnsupportedOperationException(); }
 		@Override
+		public VALUE_TYPE SUPPLY_IF_ABSENTNonDefault(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) { throw new UnsupportedOperationException(); }
+		@Override
 		public VALUE_TYPE MERGE(KEY_TYPE key, VALUE_TYPE value, VALUE_UNARY_OPERATOR VALUE_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
 		@Override
 		public void BULK_MERGE(MAP KEY_VALUE_GENERIC_TYPE m, VALUE_UNARY_OPERATOR VALUE_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
@@ -403,12 +411,20 @@ public class MAPS
 		@Override
 		public VALUE_TYPE COMPUTE(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
 		@Override
+		public VALUE_TYPE COMPUTENonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
+		@Override
 		public VALUE_TYPE COMPUTE_IF_ABSENT(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
 		@Override
+		public VALUE_TYPE COMPUTE_IF_ABSENTNonDefault(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
+		@Override
 		public VALUE_TYPE COMPUTE_IF_PRESENT(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
 		@Override
+		public VALUE_TYPE COMPUTE_IF_PRESENTNonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
+		@Override
 		public VALUE_TYPE SUPPLY_IF_ABSENT(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) { throw new UnsupportedOperationException(); }
 		@Override
+		public VALUE_TYPE SUPPLY_IF_ABSENTNonDefault(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) { throw new UnsupportedOperationException(); }
+		@Override
 		public VALUE_TYPE MERGE(KEY_TYPE key, VALUE_TYPE value, VALUE_UNARY_OPERATOR VALUE_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
 		@Override
 		public void BULK_MERGE(MAP KEY_VALUE_GENERIC_TYPE m, VALUE_UNARY_OPERATOR VALUE_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
@@ -654,12 +670,20 @@ public class MAPS
 		@Override
 		public VALUE_TYPE COMPUTE(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
 		@Override
+		public VALUE_TYPE COMPUTENonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
+		@Override
 		public VALUE_TYPE COMPUTE_IF_ABSENT(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
 		@Override
+		public VALUE_TYPE COMPUTE_IF_ABSENTNonDefault(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
+		@Override
 		public VALUE_TYPE COMPUTE_IF_PRESENT(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
 		@Override
+		public VALUE_TYPE COMPUTE_IF_PRESENTNonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
+		@Override
 		public VALUE_TYPE SUPPLY_IF_ABSENT(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) { throw new UnsupportedOperationException(); }
 		@Override
+		public VALUE_TYPE SUPPLY_IF_ABSENTNonDefault(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) { throw new UnsupportedOperationException(); }
+		@Override
 		public VALUE_TYPE MERGE(KEY_TYPE key, VALUE_TYPE value, VALUE_UNARY_OPERATOR VALUE_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
 		@Override
 		public void BULK_MERGE(MAP KEY_VALUE_GENERIC_TYPE m, VALUE_UNARY_OPERATOR VALUE_VALUE_GENERIC_TYPE mappingFunction) { throw new UnsupportedOperationException(); }
@@ -1086,12 +1110,20 @@ public class MAPS
 		@Override
 		public VALUE_TYPE COMPUTE(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) { synchronized(mutex) { return map.COMPUTE(key, mappingFunction); } }
 		@Override
+		public VALUE_TYPE COMPUTENonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) { synchronized(mutex) { return map.COMPUTENonDefault(key, mappingFunction); } }
+		@Override
 		public VALUE_TYPE COMPUTE_IF_ABSENT(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) { synchronized(mutex) { return map.COMPUTE_IF_ABSENT(key, mappingFunction); } }
 		@Override
+		public VALUE_TYPE COMPUTE_IF_ABSENTNonDefault(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) { synchronized(mutex) { return map.COMPUTE_IF_ABSENTNonDefault(key, mappingFunction); } }
+		@Override
 		public VALUE_TYPE COMPUTE_IF_PRESENT(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) { synchronized(mutex) { return map.COMPUTE_IF_PRESENT(key, mappingFunction); } }
 		@Override
+		public VALUE_TYPE COMPUTE_IF_PRESENTNonDefault(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) { synchronized(mutex) { return map.COMPUTE_IF_PRESENTNonDefault(key, mappingFunction); } }
+		@Override
 		public VALUE_TYPE SUPPLY_IF_ABSENT(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) { synchronized(mutex) { return map.SUPPLY_IF_ABSENT(key, valueProvider); } }
 		@Override
+		public VALUE_TYPE SUPPLY_IF_ABSENTNonDefault(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) { synchronized(mutex) { return map.SUPPLY_IF_ABSENTNonDefault(key, valueProvider); } }
+		@Override
 		public VALUE_TYPE MERGE(KEY_TYPE key, VALUE_TYPE value, VALUE_UNARY_OPERATOR VALUE_VALUE_GENERIC_TYPE mappingFunction) { synchronized(mutex) { return map.MERGE(key, value, mappingFunction); } }
 		@Override
 		public void BULK_MERGE(MAP KEY_VALUE_GENERIC_TYPE m, VALUE_UNARY_OPERATOR VALUE_VALUE_GENERIC_TYPE mappingFunction) { synchronized(mutex) { map.BULK_MERGE(m, mappingFunction); } }

src/builder/resources/speiger/assets/testers/templates/tests/maps/MapComputeIfAbsentTester.template

@@ -26,11 +26,10 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeIfAbsentTester KEY_VALUE_GEN
 	@MapFeature.Require(SUPPORTS_PUT)
 #endignore
 	public void testComputeIfAbsent_supportedAbsent() {
-		assertEquals("COMPUTE_IF_ABSENT(notPresent, function) should return new value", v3(),
-				getMap().COMPUTE_IF_ABSENT(k3(), k -> {
-					assertEquals(k3(), k);
-					return v3();
-				}));
+		assertEquals("COMPUTE_IF_ABSENT(notPresent, function) should return new value", v3(), getMap().COMPUTE_IF_ABSENTNonDefault(k3(), k -> {
+			assertEquals(k3(), k);
+			return v3();
+		}));
 		expectAdded(e3());
 	}
 	
@@ -41,11 +40,10 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeIfAbsentTester KEY_VALUE_GEN
 #endignore
 	public void testComputeIfAbsent_supportedAbsentFirst() {
 		getMap().setDefaultReturnValue(v0());
-		assertEquals("COMPUTE_IF_ABSENT(notPresent, function) should return new value", v3(),
-			getMap().COMPUTE_IF_ABSENT(k0(), k -> {
-				assertEquals(k0(), k);
-				return v3();
-			}));
+		assertEquals("COMPUTE_IF_ABSENT(notPresent, function) should return new value", v3(), getMap().COMPUTE_IF_ABSENTNonDefault(k0(), k -> {
+			assertEquals(k0(), k);
+			return v3();
+		}));
 		expectContents(entry(k0(), v3()));
 	}
 	
@@ -55,8 +53,7 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeIfAbsentTester KEY_VALUE_GEN
 #endignore
 	public void testComputeIfAbsent_supportedAbsentSameResult() {
 		getMap().setDefaultReturnValue(v0());
-		assertEquals("COMPUTE_IF_ABSENT(notPresent, function) should return new value", v0(),
-			getMap().COMPUTE_IF_ABSENT(k0(), k -> {
+		assertEquals("COMPUTE_IF_ABSENT(notPresent, function) should return new value", v0(), getMap().COMPUTE_IF_ABSENTNonDefault(k0(), k -> {
 			assertEquals(k0(), k);
 			return v0();
 		}));
@@ -69,10 +66,9 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeIfAbsentTester KEY_VALUE_GEN
 	@CollectionSize.Require(absent = ZERO)
 #endignore
 	public void testComputeIfAbsent_supportedPresent() {
-		assertEquals("COMPUTE_IF_ABSENT(present, function) should return existing value", v0(),
-				getMap().COMPUTE_IF_ABSENT(k0(), k -> {
-					throw new AssertionFailedError();
-				}));
+		assertEquals("COMPUTE_IF_ABSENT(present, function) should return existing value", v0(), getMap().COMPUTE_IF_ABSENTNonDefault(k0(), k -> {
+			throw new AssertionFailedError();
+		}));
 		expectUnchanged();
 	}
 	
@@ -80,11 +76,10 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeIfAbsentTester KEY_VALUE_GEN
 	@MapFeature.Require(SUPPORTS_PUT)
 #endignore
 	public void testComputeIfAbsent_functionReturnsNullNotInserted() {
-		assertEquals("COMPUTE_IF_ABSENT(absent, returnsNull) should return INVALID_VALUE",
-				INVALID_VALUE, getMap().COMPUTE_IF_ABSENT(k3(), k -> {
-					assertEquals(k3(), k);
-					return INVALID_VALUE;
-				}));
+		assertEquals("COMPUTE_IF_ABSENT(absent, returnsNull) should return INVALID_VALUE", INVALID_VALUE, getMap().COMPUTE_IF_ABSENTNonDefault(k3(), k -> {
+			assertEquals(k3(), k);
+			return INVALID_VALUE;
+		}));
 		expectUnchanged();
 	}
 	
@@ -97,7 +92,7 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeIfAbsentTester KEY_VALUE_GEN
 #endignore
 	public void testComputeIfAbsent_functionThrows() {
 		try {
-			getMap().COMPUTE_IF_ABSENT(k3(), k -> {
+			getMap().COMPUTE_IF_ABSENTNonDefault(k3(), k -> {
 				assertEquals(k3(), k);
 				throw new ExpectedException();
 			});
@@ -112,7 +107,7 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeIfAbsentTester KEY_VALUE_GEN
 #endignore
 	public void testComputeIfAbsent_unsupportedAbsent() {
 		try {
-			getMap().COMPUTE_IF_ABSENT(k3(), k -> {
+			getMap().COMPUTE_IF_ABSENTNonDefault(k3(), k -> {
 				// allowed to be called
 				assertEquals(k3(), k);
 				return v3();
@@ -129,11 +124,10 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeIfAbsentTester KEY_VALUE_GEN
 #endignore
 	public void testComputeIfAbsent_unsupportedPresentExistingValue() {
 		try {
-			assertEquals("COMPUTE_IF_ABSENT(present, returnsCurrentValue) should return present or throw", v0(),
-					getMap().COMPUTE_IF_ABSENT(k0(), k -> {
-						assertEquals(k0(), k);
-						return v0();
-					}));
+			assertEquals("COMPUTE_IF_ABSENT(present, returnsCurrentValue) should return present or throw", v0(), getMap().COMPUTE_IF_ABSENTNonDefault(k0(), k -> {
+				assertEquals(k0(), k);
+				return v0();
+			}));
 		} catch (UnsupportedOperationException tolerated) {
 		}
 		expectUnchanged();
@@ -145,11 +139,10 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeIfAbsentTester KEY_VALUE_GEN
 #endignore
 	public void testComputeIfAbsent_unsupportedPresentDifferentValue() {
 		try {
-			assertEquals("COMPUTE_IF_ABSENT(present, returnsDifferentValue) should return present or throw", v0(),
-					getMap().COMPUTE_IF_ABSENT(k0(), k -> {
-						assertEquals(k0(), k);
-						return v3();
-					}));
+			assertEquals("COMPUTE_IF_ABSENT(present, returnsDifferentValue) should return present or throw", v0(), getMap().COMPUTE_IF_ABSENTNonDefault(k0(), k -> {
+				assertEquals(k0(), k);
+				return v3();
+			}));
 		} catch (UnsupportedOperationException tolerated) {
 		}
 		expectUnchanged();

src/builder/resources/speiger/assets/testers/templates/tests/maps/MapComputeIfPresentTester.template

@@ -21,10 +21,9 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeIfPresentTester KEY_VALUE_GE
 	@MapFeature.Require(SUPPORTS_PUT)
 #endignore
 	public void testComputeIfPresent_supportedAbsent() {
-		assertEquals("COMPUTE_IF_PRESENT(notPresent, function) should return INVALID_VALUE", INVALID_VALUE,
-				getMap().COMPUTE_IF_PRESENT(k3(), (k, v) -> {
-					throw new AssertionFailedError();
-				}));
+		assertEquals("COMPUTE_IF_PRESENT(notPresent, function) should return INVALID_VALUE", INVALID_VALUE, getMap().COMPUTE_IF_PRESENTNonDefault(k3(), (k, v) -> {
+			throw new AssertionFailedError();
+		}));
 		expectUnchanged();
 	}
 	
@@ -33,12 +32,11 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeIfPresentTester KEY_VALUE_GE
 	@CollectionSize.Require(absent = ZERO)
 #endignore
 	public void testComputeIfPresent_supportedPresent() {
-		assertEquals("COMPUTE_IF_PRESENT(present, function) should return new value", v3(),
-				getMap().COMPUTE_IF_PRESENT(k0(), (k, v) -> {
-					assertEquals(k0(), k);
-					assertEquals(v0(), v);
-					return v3();
-				}));
+		assertEquals("COMPUTE_IF_PRESENT(present, function) should return new value", v3(), getMap().COMPUTE_IF_PRESENTNonDefault(k0(), (k, v) -> {
+			assertEquals(k0(), k);
+			assertEquals(v0(), v);
+			return v3();
+		}));
 		expectReplacement(entry(k0(), v3()));
 	}
 	
@@ -47,12 +45,11 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeIfPresentTester KEY_VALUE_GE
 	@CollectionSize.Require(absent = ZERO)
 #endignore
 	public void testComputeIfPresent_functionReturnsNull() {
-		assertEquals("COMPUTE_IF_PRESENT(present, returnsNull) should return INVALID_VALUE", INVALID_VALUE,
-				getMap().COMPUTE_IF_PRESENT(k0(), (k, v) -> {
-					assertEquals(k0(), k);
-					assertEquals(v0(), v);
-					return INVALID_VALUE;
-				}));
+		assertEquals("COMPUTE_IF_PRESENT(present, returnsNull) should return INVALID_VALUE", INVALID_VALUE, getMap().COMPUTE_IF_PRESENTNonDefault(k0(), (k, v) -> {
+			assertEquals(k0(), k);
+			assertEquals(v0(), v);
+			return INVALID_VALUE;
+		}));
 		expectMissing(e0());
 	}
 	
@@ -66,7 +63,7 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeIfPresentTester KEY_VALUE_GE
 #endignore
 	public void testComputeIfPresent_functionThrows() {
 		try {
-			getMap().COMPUTE_IF_PRESENT(k0(), (k, v) -> {
+			getMap().COMPUTE_IF_PRESENTNonDefault(k0(), (k, v) -> {
 				assertEquals(k0(), k);
 				assertEquals(v0(), v);
 				throw new ExpectedException();
@@ -82,7 +79,7 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeIfPresentTester KEY_VALUE_GE
 #endignore
 	public void testComputeIfPresent_unsupportedAbsent() {
 		try {
-			getMap().COMPUTE_IF_PRESENT(k3(), (k, v) -> {
+			getMap().COMPUTE_IF_PRESENTNonDefault(k3(), (k, v) -> {
 				throw new AssertionFailedError();
 			});
 		} catch (UnsupportedOperationException tolerated) {
@@ -96,7 +93,7 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeIfPresentTester KEY_VALUE_GE
 #endignore
 	public void testComputeIfPresent_unsupportedPresent() {
 		try {
-			getMap().COMPUTE_IF_PRESENT(k0(), (k, v) -> v3());
+			getMap().COMPUTE_IF_PRESENTNonDefault(k0(), (k, v) -> v3());
 			fail("Expected UnsupportedOperationException");
 		} catch (UnsupportedOperationException expected) {
 		}

src/builder/resources/speiger/assets/testers/templates/tests/maps/MapComputeTester.template

@@ -21,12 +21,11 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeTester KEY_VALUE_GENERIC_TYP
 	@MapFeature.Require({ SUPPORTS_PUT, SUPPORTS_REMOVE })
 #endignore
 	public void testCompute_absentToPresent() {
-		assertEquals("Map.COMPUTE(absent, functionReturningValue) should return value", v3(),
-				getMap().COMPUTE(k3(), (k, v) -> {
-					assertEquals(k3(), k);
-					assertEquals(INVALID_VALUE, v);
-					return v3();
-				}));
+		assertEquals("Map.COMPUTE(absent, functionReturningValue) should return value", v3(), getMap().COMPUTENonDefault(k3(), (k, v) -> {
+			assertEquals(k3(), k);
+			assertEquals(INVALID_VALUE, v);
+			return v3();
+		}));
 		expectAdded(e3());
 		assertEquals(getNumElements() + 1, getMap().size());
 	}
@@ -35,7 +34,7 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeTester KEY_VALUE_GENERIC_TYP
 	@MapFeature.Require({ SUPPORTS_PUT, SUPPORTS_REMOVE })
 #endignore
 	public void testCompute_absentToAbsent() {
-		assertEquals("Map.COMPUTE(absent, functionReturningNull) should return INVALID_VALUE", INVALID_VALUE, getMap().COMPUTE(k3(), (k, v) -> {
+		assertEquals("Map.COMPUTE(absent, functionReturningNull) should return INVALID_VALUE", INVALID_VALUE, getMap().COMPUTENonDefault(k3(), (k, v) -> {
 			assertEquals(k3(), k);
 			assertEquals(INVALID_VALUE, v);
 			return INVALID_VALUE;
@@ -49,12 +48,11 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeTester KEY_VALUE_GENERIC_TYP
 	@CollectionSize.Require(absent = ZERO)
 #endignore
 	public void testCompute_presentToPresent() {
-		assertEquals("Map.COMPUTE(present, functionReturningValue) should return new value", v3(),
-				getMap().COMPUTE(k0(), (k, v) -> {
-					assertEquals(k0(), k);
-					assertEquals(v0(), v);
-					return v3();
-				}));
+		assertEquals("Map.COMPUTE(present, functionReturningValue) should return new value", v3(), getMap().COMPUTENonDefault(k0(), (k, v) -> {
+			assertEquals(k0(), k);
+			assertEquals(v0(), v);
+			return v3();
+		}));
 		expectReplacement(entry(k0(), v3()));
 		assertEquals(getNumElements(), getMap().size());
 	}
@@ -64,7 +62,7 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeTester KEY_VALUE_GENERIC_TYP
 	@CollectionSize.Require(absent = ZERO)
 #endignore
 	public void testCompute_presentToAbsent() {
-		assertEquals("Map.COMPUTE(present, functionReturningNull) should return INVALID_VALUE", INVALID_VALUE, getMap().COMPUTE(k0(), (k, v) -> {
+		assertEquals("Map.COMPUTE(present, functionReturningNull) should return INVALID_VALUE", INVALID_VALUE, getMap().COMPUTENonDefault(k0(), (k, v) -> {
 			assertEquals(k0(), k);
 			assertEquals(v0(), v);
 			return INVALID_VALUE;
@@ -84,7 +82,7 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeTester KEY_VALUE_GENERIC_TYP
 #endignore
 	public void testCompute_presentFunctionThrows() {
 		try {
-			getMap().COMPUTE(k0(), (k, v) -> {
+			getMap().COMPUTENonDefault(k0(), (k, v) -> {
 				assertEquals(k0(), k);
 				assertEquals(v0(), v);
 				throw new ExpectedException();
@@ -100,7 +98,7 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeTester KEY_VALUE_GENERIC_TYP
 #endignore
 	public void testCompute_absentFunctionThrows() {
 		try {
-			getMap().COMPUTE(k3(), (k, v) -> {
+			getMap().COMPUTENonDefault(k3(), (k, v) -> {
 				assertEquals(k3(), k);
 				assertEquals(INVALID_VALUE, v);
 				throw new ExpectedException();
@@ -116,7 +114,7 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeTester KEY_VALUE_GENERIC_TYP
 #endignore
 	public void testCompute_removeAbsent() {
 		try {
-			getMap().COMPUTE(k3(), (k, v) -> {
+			getMap().COMPUTENonDefault(k3(), (k, v) -> {
 				assertEquals(k3(), k);
 				assertEquals(INVALID_VALUE, v);
 				return INVALID_VALUE;
@@ -132,7 +130,7 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapComputeTester KEY_VALUE_GENERIC_TYP
 #endignore
 	public void testCompute_putAbsent() {
 		try {
-			getMap().COMPUTE(k3(), (k, v) -> {
+			getMap().COMPUTENonDefault(k3(), (k, v) -> {
 				assertEquals(k3(), k);
 				assertEquals(INVALID_VALUE, v);
 				return INVALID_VALUE;

src/builder/resources/speiger/assets/testers/templates/tests/maps/MapSupplyIfAbsentTester.template

@@ -26,8 +26,7 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapSupplyIfAbsentTester KEY_VALUE_GENE
 	@MapFeature.Require(SUPPORTS_PUT)
 #endignore
 	public void testSupplyIfAbsent_supportedAbsent() {
-		assertEquals("SUPPLY_IF_ABSENT(notPresent, function) should return new value", v3(),
-				getMap().SUPPLY_IF_ABSENT(k3(), this::v3));
+		assertEquals("SUPPLY_IF_ABSENT(notPresent, function) should return new value", v3(), getMap().SUPPLY_IF_ABSENTNonDefault(k3(), this::v3));
 		expectAdded(e3());
 	}
 	
@@ -38,8 +37,7 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapSupplyIfAbsentTester KEY_VALUE_GENE
 #endignore
 	public void testSupplyIfAbsent_supportedAbsentFirst() {
 		getMap().setDefaultReturnValue(v0());
-		assertEquals("SUPPLY_IF_ABSENT(notPresent, function) should return new value", v3(),
-			getMap().SUPPLY_IF_ABSENT(k0(), this::v3));
+		assertEquals("SUPPLY_IF_ABSENT(notPresent, function) should return new value", v3(), getMap().SUPPLY_IF_ABSENTNonDefault(k0(), this::v3));
 		expectContents(entry(k0(), v3()));
 	}
 	
@@ -49,8 +47,7 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapSupplyIfAbsentTester KEY_VALUE_GENE
 #endignore
 	public void testSupplyIfAbsent_supportedAbsentSameResult() {
 		getMap().setDefaultReturnValue(v0());
-		assertEquals("SUPPLY_IF_ABSENT(notPresent, function) should return new value", v0(),
-			getMap().SUPPLY_IF_ABSENT(k0(), this::v0));
+		assertEquals("SUPPLY_IF_ABSENT(notPresent, function) should return new value", v0(), getMap().SUPPLY_IF_ABSENTNonDefault(k0(), this::v0));
 		expectUnchanged();
 	}
 	
@@ -60,10 +57,9 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapSupplyIfAbsentTester KEY_VALUE_GENE
 	@CollectionSize.Require(absent = ZERO)
 #endignore
 	public void testSupplyIfAbsent_supportedPresent() {
-		assertEquals("SUPPLY_IF_ABSENT(present, function) should return existing value", v0(),
-				getMap().SUPPLY_IF_ABSENT(k0(), () -> {
-					throw new AssertionFailedError();
-				}));
+		assertEquals("SUPPLY_IF_ABSENT(present, function) should return existing value", v0(), getMap().SUPPLY_IF_ABSENTNonDefault(k0(), () -> {
+			throw new AssertionFailedError();
+		}));
 		expectUnchanged();
 	}
 
@@ -71,7 +67,7 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapSupplyIfAbsentTester KEY_VALUE_GENE
 	@MapFeature.Require(SUPPORTS_PUT)
 #endignore
 	public void testSupplyIfAbsent_functionReturnsNullNotInserted() {
-		assertEquals("SUPPLY_IF_ABSENT(absent, returnsNull) should return INVALID_VALUE", INVALID_VALUE, getMap().SUPPLY_IF_ABSENT(k3(), () -> INVALID_VALUE));
+		assertEquals("SUPPLY_IF_ABSENT(absent, returnsNull) should return INVALID_VALUE", INVALID_VALUE, getMap().SUPPLY_IF_ABSENTNonDefault(k3(), () -> INVALID_VALUE));
 		expectUnchanged();
 	}
 
@@ -84,7 +80,7 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapSupplyIfAbsentTester KEY_VALUE_GENE
 #endignore
 	public void testSupplyIfAbsent_functionThrows() {
 		try {
-			getMap().SUPPLY_IF_ABSENT(k3(), () -> {
+			getMap().SUPPLY_IF_ABSENTNonDefault(k3(), () -> {
 				throw new ExpectedException();
 			});
 			fail("Expected ExpectedException");
@@ -98,7 +94,7 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapSupplyIfAbsentTester KEY_VALUE_GENE
 #endignore
 	public void testSupplyIfAbsent_unsupportedAbsent() {
 		try {
-			getMap().SUPPLY_IF_ABSENT(k3(), this::v3);
+			getMap().SUPPLY_IF_ABSENTNonDefault(k3(), this::v3);
 			fail("SUPPLY_IF_ABSENT(notPresent, function) should throw");
 		} catch (UnsupportedOperationException expected) {
 		}
@@ -111,7 +107,7 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapSupplyIfAbsentTester KEY_VALUE_GENE
 #endignore
 	public void testSupplyIfAbsent_unsupportedPresentExistingValue() {
 		try {
-			assertEquals("SUPPLY_IF_ABSENT(present, returnsCurrentValue) should return present or throw", v0(), getMap().SUPPLY_IF_ABSENT(k0(), this::v0));
+			assertEquals("SUPPLY_IF_ABSENT(present, returnsCurrentValue) should return present or throw", v0(), getMap().SUPPLY_IF_ABSENTNonDefault(k0(), this::v0));
 		} catch (UnsupportedOperationException tolerated) {
 		}
 		expectUnchanged();
@@ -123,7 +119,7 @@ public class FILE_KEY_TYPE2FILE_VALUE_TYPEMapSupplyIfAbsentTester KEY_VALUE_GENE
 #endignore
 	public void testSupplyIfAbsent_unsupportedPresentDifferentValue() {
 		try {
-			assertEquals("SUPPLY_IF_ABSENT(present, returnsDifferentValue) should return present or throw", v0(), getMap().SUPPLY_IF_ABSENT(k0(), this::v3));
+			assertEquals("SUPPLY_IF_ABSENT(present, returnsDifferentValue) should return present or throw", v0(), getMap().SUPPLY_IF_ABSENTNonDefault(k0(), this::v3));
 		} catch (UnsupportedOperationException tolerated) {
 		}
 		expectUnchanged();

src/main/java/speiger/src/collections/utils/Stack.java

@@ -1,5 +1,8 @@
 package speiger.src.collections.utils;
 
+import java.util.Collection;
+import java.util.NoSuchElementException;
+import java.util.function.IntFunction;
 
 /**
  * The Stack Interface represents the Last-In-First-Out layout (LIFO).
@@ -16,6 +19,14 @@ public interface Stack<T>
 	 */
 	public void push(T e);
 	
+	/**
+	 * Helper function that pushes the top element on top of the stack again.
+	 * @throws NoSuchElementException if the stack is empty
+	 */
+	public default void pushTop() {
+		push(top());
+	}
+	
 	/**
 	 * Removes the Object on top of the stack.
 	 * @return the element that is on top of the stack
@@ -59,4 +70,33 @@ public interface Stack<T>
  	 * @throws ArrayIndexOutOfBoundsException if the index is out of bounds
 	 */
 	public T peek(int index);
+	
+	/**
+	 * A method to drop the contents of the Queue without clearing the queue
+	 * @param <E> the keyType of elements maintained by this Collection
+	 * @return the contents of the queue into a seperate array.
+	 */
+	public default <E> E[] toArray() {
+		return toArray((E[])new Object[size()]); 
+	}
+	
+	/**
+	 * A method to drop the contents of the Stack without clearing the stack
+	 * @param array where the elements should be inserted to. If it does not fit then it creates a new appropriately created array
+	 * @param <E> the keyType of elements maintained by this Collection
+	 * @return the contents of the stack into a separate array.
+	 * @note if the Type is generic then a Object Array is created instead of a Type Array
+	 */
+	public <E> E[] toArray(E[] array);
+	
+	/**
+	 * A Helper function that simplifies the process of creating a new Array.
+	 * @param action the array creation function
+	 * @param <E> the returning arrayType
+	 * @return an array containing all of the elements in this collection
+	 * @see Collection#toArray(Object[])
+	 */
+	public default <E> E[] toArray(IntFunction<E[]> action) {
+		return toArray(action.apply(size()));
+	}
 }

src/test/java/speiger/src/collections/ints/base/BaseInt2IntMapTest.java

@@ -50,6 +50,7 @@ public abstract class BaseInt2IntMapTest
 	}
 	
 	@Test
+	@SuppressWarnings("unlikely-arg-type")
 	public void testContains()
 	{
 		if(!getValidMapTests().contains(MapTests.CONTAINS)) return;