diff --git a/src/builder/resources/speiger/assets/collections/templates/collections/Iterable.template b/src/builder/resources/speiger/assets/collections/templates/collections/Iterable.template
index 0a61085..e2e0f79 100644
--- a/src/builder/resources/speiger/assets/collections/templates/collections/Iterable.template
+++ b/src/builder/resources/speiger/assets/collections/templates/collections/Iterable.template
@@ -18,6 +18,7 @@ import java.util.Comparator;
 
 #endif
 import speiger.src.collections.PACKAGE.functions.function.TO_OBJECT_FUNCTION;
+import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #if !JDK_FUNCTION
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
@@ -110,6 +111,17 @@ public interface ITERABLE KEY_GENERIC_TYPE extends Iterable<CLASS_TYPE>
 	}
 	
 #endif
+	/**
+	 * A Indexed forEach implementation that allows you to keep track of how many elements were already iterated over.
+	 * @param action The action to be performed for each element
+	 * @throws java.lang.NullPointerException if the specified action is null
+	 */
+	public default void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+		Objects.requireNonNull(action);
+		int index = 0;
+		for(ITERATOR KEY_GENERIC_TYPE iter = iterator();iter.hasNext();action.accept(index++, iter.NEXT()));
+	}
+	
 	/**
 	 * Helper function to reduce Lambda usage and allow for more method references, since these are faster/cleaner.
 	 * @param input the object that should be included
diff --git a/src/builder/resources/speiger/assets/collections/templates/lists/List.template b/src/builder/resources/speiger/assets/collections/templates/lists/List.template
index 59faaf0..080e374 100644
--- a/src/builder/resources/speiger/assets/collections/templates/lists/List.template
+++ b/src/builder/resources/speiger/assets/collections/templates/lists/List.template
@@ -366,6 +366,7 @@ public interface LIST KEY_GENERIC_TYPE extends COLLECTION KEY_GENERIC_TYPE, List
 	 * @param action The action to be performed for each element
 	 * @throws java.lang.NullPointerException if the specified action is null
 	 */
+	@Override
 	public default void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
 		Objects.requireNonNull(action);
 		for(int i = 0,m=size();i<m;action.accept(i, GET_KEY(i++)));
diff --git a/src/builder/resources/speiger/assets/collections/templates/maps/impl/concurrent/ConcurrentOpenHashMap.template b/src/builder/resources/speiger/assets/collections/templates/maps/impl/concurrent/ConcurrentOpenHashMap.template
index 57620f7..8d0a8ce 100644
--- a/src/builder/resources/speiger/assets/collections/templates/maps/impl/concurrent/ConcurrentOpenHashMap.template
+++ b/src/builder/resources/speiger/assets/collections/templates/maps/impl/concurrent/ConcurrentOpenHashMap.template
@@ -23,6 +23,13 @@ import speiger.src.collections.PACKAGE.collections.ITERATOR;
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #endif
+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
+import speiger.src.collections.ints.functions.consumer.VALUE_BI_FROM_INT_CONSUMER;
+#endif
 import speiger.src.collections.PACKAGE.functions.consumer.BI_CONSUMER;
 #if !VALUE_BOOLEAN || !JDK_TYPE
 import speiger.src.collections.PACKAGE.functions.function.FUNCTION;
@@ -673,6 +680,26 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 			}
 		}
 		
+		@Override
+		public void forEachIndexed(IntObjectConsumer<MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
+			Objects.requireNonNull(action);
+			int count = 0;
+			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) {
+						action.accept(count++, new BasicEntryKV_BRACES(seg.keys[index], seg.values[index]));
+						index = (int)seg.links[index];
+					}					
+				}
+				finally {
+					seg.unlockRead(stamp);
+				}
+			}
+		}
+		
 		@Override
 		public <E> void forEach(E input, ObjectObjectConsumer<E, MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			Objects.requireNonNull(action);
@@ -982,6 +1009,26 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 			}
 		}
 		
+		@Override
+		public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+			Objects.requireNonNull(action);
+			int count = 0;
+			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){
+						action.accept(count++, seg.keys[index]);
+						index = (int)seg.links[index];
+					}
+				}
+				finally {
+					seg.unlockRead(stamp);
+				}
+			}
+		}
+		
 		@Override
 		public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 			Objects.requireNonNull(action);
@@ -1230,6 +1277,26 @@ public class CONCURRENT_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY
 			}
 		}
 		
+		@Override
+		public void forEachIndexed(VALUE_BI_FROM_INT_CONSUMER VALUE_GENERIC_TYPE action) {
+			Objects.requireNonNull(action);
+			int count = 0;
+			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){
+						action.accept(count++, seg.values[index]);
+						index = (int)seg.links[index];
+					}
+				}
+				finally {
+					seg.unlockRead(stamp);
+				}
+			}			
+		}
+		
 		@Override
 		public <E> void forEach(E input, VALUE_BI_FROM_OBJECT_CONSUMER VSV_GENERIC_TYPE<E> action) {
 			Objects.requireNonNull(action);
diff --git a/src/builder/resources/speiger/assets/collections/templates/maps/impl/customHash/LinkedOpenCustomHashMap.template b/src/builder/resources/speiger/assets/collections/templates/maps/impl/customHash/LinkedOpenCustomHashMap.template
index a53409b..85bcf7d 100644
--- a/src/builder/resources/speiger/assets/collections/templates/maps/impl/customHash/LinkedOpenCustomHashMap.template
+++ b/src/builder/resources/speiger/assets/collections/templates/maps/impl/customHash/LinkedOpenCustomHashMap.template
@@ -19,6 +19,13 @@ import speiger.src.collections.PACKAGE.collections.BI_ITERATOR;
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #endif
+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
+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
@@ -687,6 +694,18 @@ public class LINKED_CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends CUSTOM_HASH_M
 			}
 		}
 		
+		@Override
+		public void forEachIndexed(IntObjectConsumer<MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
+			Objects.requireNonNull(action);
+			if(size() <= 0) return;
+			int count = 0;
+			int index = firstIndex;
+			while(index != -1) {
+				action.accept(count++, new BasicEntryKV_BRACES(keys[index], values[index]));
+				index = (int)links[index];
+			}
+		}
+		
 		@Override
 		public <E> void forEach(E input, ObjectObjectConsumer<E, MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			Objects.requireNonNull(action);
@@ -948,6 +967,18 @@ public class LINKED_CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends CUSTOM_HASH_M
 			}
 		}
 		
+		@Override
+		public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+			Objects.requireNonNull(action);
+			if(size() <= 0) return;
+			int count = 0;
+			int index = firstIndex;
+			while(index != -1){
+				action.accept(count++, keys[index]);
+				index = (int)links[index];
+			}
+		}
+		
 		@Override
 		public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 			Objects.requireNonNull(action);
@@ -1111,6 +1142,18 @@ public class LINKED_CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends CUSTOM_HASH_M
 			}
 		}
 		
+		@Override
+		public void forEachIndexed(VALUE_BI_FROM_INT_CONSUMER VALUE_GENERIC_TYPE action) {
+			Objects.requireNonNull(action);
+			if(size() <= 0) return;
+			int count = 0;
+			int index = firstIndex;
+			while(index != -1){
+				action.accept(count++, values[index]);
+				index = (int)links[index];
+			}
+		}
+		
 		@Override
 		public <E> void forEach(E input, VALUE_BI_FROM_OBJECT_CONSUMER VSV_GENERIC_TYPE<E> action) {
 			Objects.requireNonNull(action);
diff --git a/src/builder/resources/speiger/assets/collections/templates/maps/impl/customHash/OpenCustomHashMap.template b/src/builder/resources/speiger/assets/collections/templates/maps/impl/customHash/OpenCustomHashMap.template
index 1d6a8c6..d736385 100644
--- a/src/builder/resources/speiger/assets/collections/templates/maps/impl/customHash/OpenCustomHashMap.template
+++ b/src/builder/resources/speiger/assets/collections/templates/maps/impl/customHash/OpenCustomHashMap.template
@@ -20,6 +20,13 @@ import speiger.src.collections.PACKAGE.collections.ITERATOR;
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #endif
+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
+import speiger.src.collections.ints.functions.consumer.VALUE_BI_FROM_INT_CONSUMER;
+#endif
 import speiger.src.collections.PACKAGE.functions.consumer.BI_CONSUMER;
 #if !VALUE_BOOLEAN || !JDK_TYPE
 import speiger.src.collections.PACKAGE.functions.function.FUNCTION;
@@ -873,6 +880,16 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 			}
 		}
 		
+		@Override
+		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]));
+			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]));
+			}
+		}
+		
 		@Override
 		public <E> void forEach(E input, ObjectObjectConsumer<E, MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			Objects.requireNonNull(action);
@@ -1110,6 +1127,16 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 				if(!strategy.equals(keys[i], EMPTY_KEY_VALUE)) action.accept(keys[i]);
 		}
 		
+		@Override
+		public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+			Objects.requireNonNull(action);
+			if(size() <= 0) return;
+			if(containsNull) action.accept(0, keys[nullIndex]);
+			for(int i = nullIndex-1, index = containsNull ? 1 : 0;i>=0;i--) {
+				if(!strategy.equals(keys[i], EMPTY_KEY_VALUE)) action.accept(index++, keys[i]);
+			}
+		}
+		
 		@Override
 		public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 			Objects.requireNonNull(action);
@@ -1266,6 +1293,16 @@ public class CUSTOM_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VAL
 				if(!strategy.equals(keys[i], EMPTY_KEY_VALUE)) action.accept(values[i]);
 		}
 		
+		@Override
+		public void forEachIndexed(VALUE_BI_FROM_INT_CONSUMER VALUE_GENERIC_TYPE action) {
+			Objects.requireNonNull(action);
+			if(size() <= 0) return;
+			if(containsNull) action.accept(0, values[nullIndex]);
+			for(int i = nullIndex-1, index = containsNull ? 1 : 0;i>=0;i--) {
+				if(!strategy.equals(keys[i], EMPTY_KEY_VALUE)) action.accept(index++, values[i]);
+			}
+		}
+		
 		@Override
 		public <E> void forEach(E input, VALUE_BI_FROM_OBJECT_CONSUMER VSV_GENERIC_TYPE<E> action) {
 			Objects.requireNonNull(action);
diff --git a/src/builder/resources/speiger/assets/collections/templates/maps/impl/hash/LinkedOpenHashMap.template b/src/builder/resources/speiger/assets/collections/templates/maps/impl/hash/LinkedOpenHashMap.template
index a46646a..32a4e4b 100644
--- a/src/builder/resources/speiger/assets/collections/templates/maps/impl/hash/LinkedOpenHashMap.template
+++ b/src/builder/resources/speiger/assets/collections/templates/maps/impl/hash/LinkedOpenHashMap.template
@@ -19,6 +19,13 @@ import speiger.src.collections.PACKAGE.collections.BI_ITERATOR;
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #endif
+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
+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
@@ -691,6 +698,18 @@ public class LINKED_HASH_MAP KEY_VALUE_GENERIC_TYPE extends HASH_MAP KEY_VALUE_G
 			}
 		}
 		
+		@Override
+		public void forEachIndexed(IntObjectConsumer<MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
+			Objects.requireNonNull(action);
+			if(size() <= 0) return;
+			int count = 0;
+			int index = firstIndex;
+			while(index != -1) {
+				action.accept(count++, new BasicEntryKV_BRACES(keys[index], values[index]));
+				index = (int)links[index];
+			}
+		}
+		
 		@Override
 		public <E> void forEach(E input, ObjectObjectConsumer<E, MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			Objects.requireNonNull(action);
@@ -947,6 +966,18 @@ public class LINKED_HASH_MAP KEY_VALUE_GENERIC_TYPE extends HASH_MAP KEY_VALUE_G
 			}
 		}
 		
+		@Override
+		public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+			Objects.requireNonNull(action);
+			if(size() <= 0) return;
+			int count = 0;
+			int index = firstIndex;
+			while(index != -1){
+				action.accept(count++, keys[index]);
+				index = (int)links[index];
+			}
+		}
+		
 		@Override
 		public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 			Objects.requireNonNull(action);
@@ -1111,6 +1142,18 @@ public class LINKED_HASH_MAP KEY_VALUE_GENERIC_TYPE extends HASH_MAP KEY_VALUE_G
 			}
 		}
 		
+		@Override
+		public void forEachIndexed(VALUE_BI_FROM_INT_CONSUMER VALUE_GENERIC_TYPE action) {
+			Objects.requireNonNull(action);
+			if(size() <= 0) return;
+			int count = 0;
+			int index = firstIndex;
+			while(index != -1){
+				action.accept(count++, values[index]);
+				index = (int)links[index];
+			}
+		}
+		
 		@Override
 		public <E> void forEach(E input, VALUE_BI_FROM_OBJECT_CONSUMER VSV_GENERIC_TYPE<E> action) {
 			Objects.requireNonNull(action);
diff --git a/src/builder/resources/speiger/assets/collections/templates/maps/impl/hash/OpenHashMap.template b/src/builder/resources/speiger/assets/collections/templates/maps/impl/hash/OpenHashMap.template
index ad0cb7b..60060d1 100644
--- a/src/builder/resources/speiger/assets/collections/templates/maps/impl/hash/OpenHashMap.template
+++ b/src/builder/resources/speiger/assets/collections/templates/maps/impl/hash/OpenHashMap.template
@@ -20,6 +20,13 @@ import speiger.src.collections.PACKAGE.collections.ITERATOR;
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #endif
+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
+import speiger.src.collections.ints.functions.consumer.VALUE_BI_FROM_INT_CONSUMER;
+#endif
 import speiger.src.collections.PACKAGE.functions.consumer.BI_CONSUMER;
 #if !VALUE_BOOLEAN || !JDK_TYPE
 import speiger.src.collections.PACKAGE.functions.function.FUNCTION;
@@ -832,6 +839,16 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 			}
 		}
 		
+		@Override
+		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]));
+			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]));
+			}
+		}
+		
 		@Override
 		public <E> void forEach(E input, ObjectObjectConsumer<E, MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			Objects.requireNonNull(action);
@@ -1065,6 +1082,16 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 				if(KEY_EQUALS_NOT_NULL(keys[i])) action.accept(keys[i]);
 		}
 		
+		@Override
+		public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+			Objects.requireNonNull(action);
+			if(size() <= 0) return;
+			if(containsNull) action.accept(0, keys[nullIndex]);
+			for(int i = nullIndex-1, index = containsNull ? 1 : 0;i>=0;i--) {
+				if(KEY_EQUALS_NOT_NULL(keys[i])) action.accept(index++, keys[i]);
+			}
+		}
+		
 		@Override
 		public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 			Objects.requireNonNull(action);
@@ -1221,6 +1248,16 @@ public class HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENE
 				if(KEY_EQUALS_NOT_NULL(keys[i])) action.accept(values[i]);
 		}
 		
+		@Override
+		public void forEachIndexed(VALUE_BI_FROM_INT_CONSUMER VALUE_GENERIC_TYPE action) {
+			Objects.requireNonNull(action);
+			if(size() <= 0) return;
+			if(containsNull) action.accept(0, values[nullIndex]);
+			for(int i = nullIndex-1, index = containsNull ? 1 : 0;i>=0;i--) {
+				if(KEY_EQUALS_NOT_NULL(keys[i])) action.accept(index++, values[i]);
+			}
+		}
+		
 		@Override
 		public <E> void forEach(E input, VALUE_BI_FROM_OBJECT_CONSUMER VSV_GENERIC_TYPE<E> action) {
 			Objects.requireNonNull(action);
diff --git a/src/builder/resources/speiger/assets/collections/templates/maps/impl/immutable/ImmutableOpenHashMap.template b/src/builder/resources/speiger/assets/collections/templates/maps/impl/immutable/ImmutableOpenHashMap.template
index f74237f..5d8f2f0 100644
--- a/src/builder/resources/speiger/assets/collections/templates/maps/impl/immutable/ImmutableOpenHashMap.template
+++ b/src/builder/resources/speiger/assets/collections/templates/maps/impl/immutable/ImmutableOpenHashMap.template
@@ -19,6 +19,13 @@ import speiger.src.collections.PACKAGE.collections.BI_ITERATOR;
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #endif
+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
+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
@@ -664,6 +671,18 @@ public class IMMUTABLE_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_
 			}
 		}
 		
+		@Override
+		public void forEachIndexed(IntObjectConsumer<MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
+			Objects.requireNonNull(action);
+			if(size() <= 0) return;
+			int count = 0;
+			int index = firstIndex;
+			while(index != -1) {
+				action.accept(count++, new BasicEntryKV_BRACES(keys[index], values[index]));
+				index = (int)links[index];
+			}
+		}
+		
 		@Override
 		public <E> void forEach(E input, ObjectObjectConsumer<E, MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			Objects.requireNonNull(action);
@@ -892,6 +911,18 @@ public class IMMUTABLE_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_
 			}
 		}
 		
+		@Override
+		public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+			Objects.requireNonNull(action);
+			if(size() <= 0) return;
+			int count = 0;
+			int index = firstIndex;
+			while(index != -1){
+				action.accept(count++, keys[index]);
+				index = (int)links[index];
+			}
+		}
+		
 		@Override
 		public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 			Objects.requireNonNull(action);
@@ -1053,6 +1084,18 @@ public class IMMUTABLE_HASH_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_
 			}
 		}
 		
+		@Override
+		public void forEachIndexed(VALUE_BI_FROM_INT_CONSUMER VALUE_GENERIC_TYPE action) {
+			Objects.requireNonNull(action);
+			if(size() <= 0) return;
+			int count = 0;
+			int index = firstIndex;
+			while(index != -1){
+				action.accept(count++, values[index]);
+				index = (int)links[index];
+			}
+		}
+		
 		@Override
 		public <E> void forEach(E input, VALUE_BI_FROM_OBJECT_CONSUMER VSV_GENERIC_TYPE<E> action) {
 			Objects.requireNonNull(action);
diff --git a/src/builder/resources/speiger/assets/collections/templates/maps/impl/misc/ArrayMap.template b/src/builder/resources/speiger/assets/collections/templates/maps/impl/misc/ArrayMap.template
index a3d0c0e..3ba4341 100644
--- a/src/builder/resources/speiger/assets/collections/templates/maps/impl/misc/ArrayMap.template
+++ b/src/builder/resources/speiger/assets/collections/templates/maps/impl/misc/ArrayMap.template
@@ -19,6 +19,13 @@ import speiger.src.collections.PACKAGE.collections.BI_ITERATOR;
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #endif
+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
+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
@@ -793,6 +800,14 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 			}
 		}
 		
+		@Override
+		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]));
+			}
+		}
+		
 		@Override
 		public <E> void forEach(E input, ObjectObjectConsumer<E, MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			Objects.requireNonNull(action);
@@ -991,11 +1006,16 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 			for(int i = 0;i<size;action.accept(keys[i++])); 
 		}
 		
+		@Override
+		public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+			Objects.requireNonNull(action);
+			for(int i = 0;i<size;action.accept(i, keys[i++])); 
+		}
+		
 		@Override
 		public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 			Objects.requireNonNull(action);
 			for(int i = 0;i<size;action.accept(input, keys[i++])); 
-
 		}
 		
 		@Override
@@ -1125,6 +1145,12 @@ public class ARRAY_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GEN
 			for(int i = 0;i<size;action.accept(values[i++]));
 		}
 		
+		@Override
+		public void forEachIndexed(VALUE_BI_FROM_INT_CONSUMER VALUE_GENERIC_TYPE action) {
+			Objects.requireNonNull(action);
+			for(int i = 0;i<size;action.accept(i, values[i++]));
+		}
+		
 		@Override
 		public boolean matchesAny(VALUE_PREDICATE VALUE_GENERIC_TYPE filter) {
 			Objects.requireNonNull(filter);
diff --git a/src/builder/resources/speiger/assets/collections/templates/maps/impl/tree/AVLTreeMap.template b/src/builder/resources/speiger/assets/collections/templates/maps/impl/tree/AVLTreeMap.template
index 11a2990..69bc214 100644
--- a/src/builder/resources/speiger/assets/collections/templates/maps/impl/tree/AVLTreeMap.template
+++ b/src/builder/resources/speiger/assets/collections/templates/maps/impl/tree/AVLTreeMap.template
@@ -24,6 +24,13 @@ import speiger.src.collections.PACKAGE.functions.COMPARATOR;
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #endif
+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
+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
@@ -1153,6 +1160,14 @@ public class AVL_TREE_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_
 				action.accept(entry.key);
 		}
 		
+		@Override
+		public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+			Objects.requireNonNull(action);
+			int index = 0;
+			for(Node KEY_VALUE_GENERIC_TYPE entry = start(), end = end();entry != null && (end == null || (end != previous(entry)));entry = next(entry))
+				action.accept(index++, entry.key);
+		}
+		
 		@Override
 		public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 			Objects.requireNonNull(action);
@@ -1841,6 +1856,14 @@ public class AVL_TREE_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_
 					action.accept(new BasicEntryKV_BRACES(entry.key, entry.value));
 			}
 			
+			@Override
+			public void forEachIndexed(IntObjectConsumer<MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
+				Objects.requireNonNull(action);
+				int index = 0;
+				for(Node KEY_VALUE_GENERIC_TYPE entry = subLowest(), last = subHighest();entry != null && (last == null || last != previous(entry));entry = next(entry))
+					action.accept(index++, new BasicEntryKV_BRACES(entry.key, entry.value));
+			}
+			
 			@Override
 			public <E> void forEach(E input, ObjectObjectConsumer<E, MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 				Objects.requireNonNull(action);
@@ -1973,6 +1996,14 @@ public class AVL_TREE_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_
 					action.accept(entry.value);
 			}
 			
+			@Override
+			public void forEachIndexed(VALUE_BI_FROM_INT_CONSUMER VALUE_GENERIC_TYPE action) {
+				Objects.requireNonNull(action);
+				int index = 0;
+				for(Node KEY_VALUE_GENERIC_TYPE entry = subLowest(), last = subHighest();entry != null && (last == null || last != previous(entry));entry = next(entry))
+					action.accept(index++, entry.value);
+			}
+			
 			@Override
 			public <E> void forEach(E input, VALUE_BI_FROM_OBJECT_CONSUMER VSV_GENERIC_TYPE<E> action) {
 				Objects.requireNonNull(action);
@@ -2321,6 +2352,14 @@ public class AVL_TREE_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_
 				action.accept(entry.value);
 		}
 		
+		@Override
+		public void forEachIndexed(VALUE_BI_FROM_INT_CONSUMER VALUE_GENERIC_TYPE action) {
+			Objects.requireNonNull(action);
+			int index = 0;
+			for(Node KEY_VALUE_GENERIC_TYPE entry = first;entry != null;entry = entry.next())
+				action.accept(index++, entry.value);
+		}
+		
 		@Override
 		public <E> void forEach(E input, VALUE_BI_FROM_OBJECT_CONSUMER VSV_GENERIC_TYPE<E> action) {
 			Objects.requireNonNull(action);
@@ -2478,6 +2517,14 @@ public class AVL_TREE_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_
 				action.accept(new BasicEntryKV_BRACES(entry.key, entry.value));
 		}
 		
+		@Override
+		public void forEachIndexed(IntObjectConsumer<MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
+			Objects.requireNonNull(action);
+			int index = 0;
+			for(Node KEY_VALUE_GENERIC_TYPE entry = first;entry != null;entry = entry.next())
+				action.accept(index++, new BasicEntryKV_BRACES(entry.key, entry.value));
+		}
+		
 		@Override
 		public <E> void forEach(E input, ObjectObjectConsumer<E, MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			Objects.requireNonNull(action);
diff --git a/src/builder/resources/speiger/assets/collections/templates/maps/impl/tree/RBTreeMap.template b/src/builder/resources/speiger/assets/collections/templates/maps/impl/tree/RBTreeMap.template
index 44aa033..14b7e59 100644
--- a/src/builder/resources/speiger/assets/collections/templates/maps/impl/tree/RBTreeMap.template
+++ b/src/builder/resources/speiger/assets/collections/templates/maps/impl/tree/RBTreeMap.template
@@ -23,6 +23,13 @@ import speiger.src.collections.PACKAGE.functions.COMPARATOR;
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #endif
+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
+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
@@ -1209,6 +1216,14 @@ public class RB_TREE_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_G
 				action.accept(entry.key);
 		}
 		
+		@Override
+		public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+			Objects.requireNonNull(action);
+			int index = 0;
+			for(Node KEY_VALUE_GENERIC_TYPE entry = start(), end = end();entry != null && (end == null || (end != previous(entry)));entry = next(entry))
+				action.accept(index++, entry.key);
+		}
+		
 		@Override
 		public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 			Objects.requireNonNull(action);
@@ -1907,6 +1922,14 @@ public class RB_TREE_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_G
 					action.accept(new BasicEntryKV_BRACES(entry.key, entry.value));
 			}
 			
+			@Override
+			public void forEachIndexed(IntObjectConsumer<MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
+				Objects.requireNonNull(action);
+				int index = 0;
+				for(Node KEY_VALUE_GENERIC_TYPE entry = subLowest(), last = subHighest();entry != null && (last == null || last != previous(entry));entry = next(entry))
+					action.accept(index++, new BasicEntryKV_BRACES(entry.key, entry.value));
+			}
+			
 			@Override
 			public <E> void forEach(E input, ObjectObjectConsumer<E, MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 				Objects.requireNonNull(action);
@@ -2039,6 +2062,14 @@ public class RB_TREE_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_G
 					action.accept(entry.value);
 			}
 			
+			@Override
+			public void forEachIndexed(VALUE_BI_FROM_INT_CONSUMER VALUE_GENERIC_TYPE action) {
+				Objects.requireNonNull(action);
+				int index = 0;
+				for(Node KEY_VALUE_GENERIC_TYPE entry = subLowest(), last = subHighest();entry != null && (last == null || last != previous(entry));entry = next(entry))
+					action.accept(index++, entry.value);
+			}
+			
 			@Override
 			public <E> void forEach(E input, VALUE_BI_FROM_OBJECT_CONSUMER VSV_GENERIC_TYPE<E> action) {
 				Objects.requireNonNull(action);
@@ -2387,6 +2418,14 @@ public class RB_TREE_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_G
 				action.accept(entry.value);
 		}
 		
+		@Override
+		public void forEachIndexed(VALUE_BI_FROM_INT_CONSUMER VALUE_GENERIC_TYPE action) {
+			Objects.requireNonNull(action);
+			int index = 0;
+			for(Node KEY_VALUE_GENERIC_TYPE entry = first;entry != null;entry = entry.next())
+				action.accept(index++, entry.value);
+		}
+		
 		@Override
 		public <E> void forEach(E input, VALUE_BI_FROM_OBJECT_CONSUMER VSV_GENERIC_TYPE<E> action) {
 			Objects.requireNonNull(action);
@@ -2544,6 +2583,14 @@ public class RB_TREE_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_G
 				action.accept(new BasicEntryKV_BRACES(entry.key, entry.value));
 		}
 		
+		@Override
+		public void forEachIndexed(IntObjectConsumer<MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
+			Objects.requireNonNull(action);
+			int index = 0;
+			for(Node KEY_VALUE_GENERIC_TYPE entry = first;entry != null;entry = entry.next())
+				action.accept(index++, new BasicEntryKV_BRACES(entry.key, entry.value));
+		}
+		
 		@Override
 		public <E> void forEach(E input, ObjectObjectConsumer<E, MAP.Entry KEY_VALUE_GENERIC_TYPE> action) {
 			Objects.requireNonNull(action);
diff --git a/src/builder/resources/speiger/assets/collections/templates/queues/ArrayFIFOQueue.template b/src/builder/resources/speiger/assets/collections/templates/queues/ArrayFIFOQueue.template
index 55ef4d1..4a52291 100644
--- a/src/builder/resources/speiger/assets/collections/templates/queues/ArrayFIFOQueue.template
+++ b/src/builder/resources/speiger/assets/collections/templates/queues/ArrayFIFOQueue.template
@@ -17,6 +17,7 @@ import speiger.src.collections.PACKAGE.collections.ITERATOR;
 import speiger.src.collections.PACKAGE.functions.COMPARATOR;
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 #endif
+import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #if !JDK_FUNCTION
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
@@ -262,6 +263,15 @@ public class ARRAY_FIFO_QUEUE KEY_GENERIC_TYPE extends ABSTRACT_PRIORITY_QUEUE K
 		clearAndTrim(0);
 	}
 	
+	@Override
+	public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+		Objects.requireNonNull(action);
+		if(first == last) return;
+		for(int i = 0,m=size();i<m;i++)
+			action.accept(i, array[(first + i) % array.length]);
+		clearAndTrim(0);
+	}
+	
 	@Override
 	public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 		Objects.requireNonNull(action);
diff --git a/src/builder/resources/speiger/assets/collections/templates/queues/ArrayPriorityQueue.template b/src/builder/resources/speiger/assets/collections/templates/queues/ArrayPriorityQueue.template
index b2831a6..c4e9047 100644
--- a/src/builder/resources/speiger/assets/collections/templates/queues/ArrayPriorityQueue.template
+++ b/src/builder/resources/speiger/assets/collections/templates/queues/ArrayPriorityQueue.template
@@ -18,6 +18,7 @@ import speiger.src.collections.PACKAGE.collections.ITERATOR;
 import speiger.src.collections.PACKAGE.functions.COMPARATOR;
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 #endif
+import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #if !JDK_FUNCTION
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
@@ -214,6 +215,13 @@ public class ARRAY_PRIORITY_QUEUE KEY_GENERIC_TYPE extends ABSTRACT_PRIORITY_QUE
 		return value;
 	}
 	
+	@Override
+	public KEY_TYPE first() {
+		if(isEmpty()) throw new NoSuchElementException();
+		if(firstIndex == -1) findFirstIndex();
+		return array[firstIndex];
+	}
+	
 	@Override
 	public KEY_TYPE peek(int index) {
 		if(index < 0 || index >= size) throw new NoSuchElementException();
@@ -268,6 +276,12 @@ public class ARRAY_PRIORITY_QUEUE KEY_GENERIC_TYPE extends ABSTRACT_PRIORITY_QUE
 		for(int i = 0,m=size;i<m;i++) action.accept(dequeue());
 	}
 	
+	@Override
+	public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+		Objects.requireNonNull(action);
+		for(int i = 0,m=size;i<m;i++) action.accept(i, dequeue());
+	}
+	
 	@Override
 	public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 		Objects.requireNonNull(action);
diff --git a/src/builder/resources/speiger/assets/collections/templates/queues/HeapPriorityQueue.template b/src/builder/resources/speiger/assets/collections/templates/queues/HeapPriorityQueue.template
index 4d8cdea..3906caa 100644
--- a/src/builder/resources/speiger/assets/collections/templates/queues/HeapPriorityQueue.template
+++ b/src/builder/resources/speiger/assets/collections/templates/queues/HeapPriorityQueue.template
@@ -18,6 +18,7 @@ import speiger.src.collections.PACKAGE.collections.ITERATOR;
 import speiger.src.collections.PACKAGE.functions.COMPARATOR;
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 #endif
+import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #if !JDK_FUNCTION
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
@@ -255,6 +256,12 @@ public class HEAP_PRIORITY_QUEUE KEY_GENERIC_TYPE extends ABSTRACT_PRIORITY_QUEU
 		for(int i = 0,m=size;i<m;i++) action.accept(dequeue());
 	}
 	
+	@Override
+	public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+		Objects.requireNonNull(action);
+		for(int i = 0,m=size;i<m;i++) action.accept(i, dequeue());
+	}
+	
 	@Override
 	public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 		Objects.requireNonNull(action);
diff --git a/src/builder/resources/speiger/assets/collections/templates/sets/AVLTreeSet.template b/src/builder/resources/speiger/assets/collections/templates/sets/AVLTreeSet.template
index 1d7b99e..51d1c11 100644
--- a/src/builder/resources/speiger/assets/collections/templates/sets/AVLTreeSet.template
+++ b/src/builder/resources/speiger/assets/collections/templates/sets/AVLTreeSet.template
@@ -19,6 +19,7 @@ import speiger.src.collections.PACKAGE.collections.BI_ITERATOR;
 import speiger.src.collections.PACKAGE.functions.COMPARATOR;
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 #endif
+import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #if !JDK_FUNCTION
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
@@ -359,6 +360,15 @@ public class AVL_TREE_SET KEY_GENERIC_TYPE extends ABSTRACT_SET KEY_GENERIC_TYPE
 		}
 	}
 	
+	@Override
+	public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+		Objects.requireNonNull(action);
+		int index = 0;
+		for(Entry KEY_GENERIC_TYPE entry = first;entry != null;entry = entry.next()) {
+			action.accept(index++, entry.key);
+		}
+	}
+	
 	@Override
 	public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 		Objects.requireNonNull(action);
@@ -1198,6 +1208,15 @@ public class AVL_TREE_SET KEY_GENERIC_TYPE extends ABSTRACT_SET KEY_GENERIC_TYPE
 			}
 		}
 		
+		@Override
+		public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+			Objects.requireNonNull(action);
+			int index = 0;
+			for(Entry KEY_GENERIC_TYPE entry = start();entry != null && inRange(entry.key);entry = next(entry)) {
+				action.accept(index++, entry.key);
+			}
+		}
+		
 		@Override
 		public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 			Objects.requireNonNull(action);
diff --git a/src/builder/resources/speiger/assets/collections/templates/sets/ArraySet.template b/src/builder/resources/speiger/assets/collections/templates/sets/ArraySet.template
index 79adf83..b71994a 100644
--- a/src/builder/resources/speiger/assets/collections/templates/sets/ArraySet.template
+++ b/src/builder/resources/speiger/assets/collections/templates/sets/ArraySet.template
@@ -19,6 +19,7 @@ import speiger.src.collections.PACKAGE.collections.BI_ITERATOR;
 import speiger.src.collections.PACKAGE.collections.COLLECTION;
 import speiger.src.collections.PACKAGE.collections.ITERATOR;
 
+import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #if !JDK_FUNCTION
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
@@ -396,6 +397,12 @@ public class ARRAY_SET KEY_GENERIC_TYPE extends ABSTRACT_SET KEY_GENERIC_TYPE im
 		for(int i = 0;i<size;action.accept(data[i++]));
 	}
 	
+	@Override
+	public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+		Objects.requireNonNull(action);
+		for(int i = 0;i<size;action.accept(i, data[i++]));
+	}
+	
 	@Override
 	public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 		Objects.requireNonNull(action);
diff --git a/src/builder/resources/speiger/assets/collections/templates/sets/ImmutableOpenHashSet.template b/src/builder/resources/speiger/assets/collections/templates/sets/ImmutableOpenHashSet.template
index 5f6bd61..d56f6ca 100644
--- a/src/builder/resources/speiger/assets/collections/templates/sets/ImmutableOpenHashSet.template
+++ b/src/builder/resources/speiger/assets/collections/templates/sets/ImmutableOpenHashSet.template
@@ -19,6 +19,7 @@ import speiger.src.collections.PACKAGE.collections.ITERATOR;
 #if !TYPE_OBJECT
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 #endif
+import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #if !JDK_FUNCTION
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
@@ -328,6 +329,17 @@ public class IMMUTABLE_HASH_SET KEY_GENERIC_TYPE extends ABSTRACT_SET KEY_GENERI
 		}
 	}
 	
+	@Override
+	public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+		Objects.requireNonNull(action);
+		int count = 0;
+		int index = firstIndex;
+		while(index != -1) {
+			action.accept(count++, keys[index]);
+			index = (int)links[index];
+		}
+	}
+	
 	@Override
 	public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 		Objects.requireNonNull(action);
diff --git a/src/builder/resources/speiger/assets/collections/templates/sets/LinkedOpenCustomHashSet.template b/src/builder/resources/speiger/assets/collections/templates/sets/LinkedOpenCustomHashSet.template
index ee1398e..d638c90 100644
--- a/src/builder/resources/speiger/assets/collections/templates/sets/LinkedOpenCustomHashSet.template
+++ b/src/builder/resources/speiger/assets/collections/templates/sets/LinkedOpenCustomHashSet.template
@@ -23,6 +23,7 @@ import speiger.src.collections.PACKAGE.lists.LIST_ITERATOR;
 import speiger.src.collections.PACKAGE.utils.ITERATORS;
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 #endif
+import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #if !JDK_FUNCTION
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
@@ -537,6 +538,17 @@ public class LINKED_CUSTOM_HASH_SET KEY_GENERIC_TYPE extends CUSTOM_HASH_SET KEY
 		}
 	}
 	
+	@Override
+	public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+		Objects.requireNonNull(action);
+		int count = 0;
+		int index = firstIndex;
+		while(index != -1) {
+			action.accept(count++, keys[index]);
+			index = (int)links[index];
+		}
+	}
+	
 	@Override
 	public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 		Objects.requireNonNull(action);
diff --git a/src/builder/resources/speiger/assets/collections/templates/sets/LinkedOpenHashSet.template b/src/builder/resources/speiger/assets/collections/templates/sets/LinkedOpenHashSet.template
index d63c051..3e7818b 100644
--- a/src/builder/resources/speiger/assets/collections/templates/sets/LinkedOpenHashSet.template
+++ b/src/builder/resources/speiger/assets/collections/templates/sets/LinkedOpenHashSet.template
@@ -21,6 +21,7 @@ import speiger.src.collections.PACKAGE.collections.BI_ITERATOR;
 #if !TYPE_OBJECT
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 #endif
+import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #if !JDK_FUNCTION
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
@@ -392,6 +393,17 @@ public class LINKED_HASH_SET KEY_GENERIC_TYPE extends HASH_SET KEY_GENERIC_TYPE
 		}
 	}
 	
+	@Override
+	public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+		Objects.requireNonNull(action);
+		int count = 0;
+		int index = firstIndex;
+		while(index != -1) {
+			action.accept(count++, keys[index]);
+			index = (int)links[index];
+		}
+	}
+	
 	@Override
 	public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 		Objects.requireNonNull(action);
diff --git a/src/builder/resources/speiger/assets/collections/templates/sets/OpenCustomHashSet.template b/src/builder/resources/speiger/assets/collections/templates/sets/OpenCustomHashSet.template
index 31426da..6ac37b0 100644
--- a/src/builder/resources/speiger/assets/collections/templates/sets/OpenCustomHashSet.template
+++ b/src/builder/resources/speiger/assets/collections/templates/sets/OpenCustomHashSet.template
@@ -20,6 +20,7 @@ import speiger.src.collections.PACKAGE.collections.ITERATOR;
 import speiger.src.collections.PACKAGE.utils.ITERATORS;
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 #endif
+import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #if !JDK_FUNCTION
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
@@ -506,6 +507,7 @@ public class CUSTOM_HASH_SET KEY_GENERIC_TYPE extends ABSTRACT_SET KEY_GENERIC_T
 	
 	@Override
 	public void forEach(CONSUMER KEY_SUPER_GENERIC_TYPE action) {
+		Objects.requireNonNull(action);
 		if(size() <= 0) return;
 		if(containsNull) action.accept(keys[nullIndex]);
 		for(int i = nullIndex-1;i>=0;i--) {
@@ -513,6 +515,16 @@ public class CUSTOM_HASH_SET KEY_GENERIC_TYPE extends ABSTRACT_SET KEY_GENERIC_T
 		}
 	}
 	
+	@Override
+	public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+		Objects.requireNonNull(action);
+		if(size() <= 0) return;
+		if(containsNull) action.accept(0, keys[nullIndex]);
+		for(int i = nullIndex-1, index = containsNull ? 1 : 0;i>=0;i--) {
+			if(!strategy.equals(keys[i], EMPTY_KEY_VALUE)) action.accept(index++, keys[i]);
+		}
+	}
+	
 	@Override
 	public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 		Objects.requireNonNull(action);
diff --git a/src/builder/resources/speiger/assets/collections/templates/sets/OpenHashSet.template b/src/builder/resources/speiger/assets/collections/templates/sets/OpenHashSet.template
index d59c123..fe19c15 100644
--- a/src/builder/resources/speiger/assets/collections/templates/sets/OpenHashSet.template
+++ b/src/builder/resources/speiger/assets/collections/templates/sets/OpenHashSet.template
@@ -20,6 +20,7 @@ import speiger.src.collections.PACKAGE.collections.ITERATOR;
 import speiger.src.collections.PACKAGE.utils.ITERATORS;
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 #endif
+import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #if !JDK_FUNCTION
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
@@ -376,6 +377,16 @@ public class HASH_SET KEY_GENERIC_TYPE extends ABSTRACT_SET KEY_GENERIC_TYPE imp
 		}
 	}
 	
+	@Override
+	public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+		Objects.requireNonNull(action);
+		if(size() <= 0) return;
+		if(containsNull) action.accept(0, keys[nullIndex]);
+		for(int i = nullIndex-1, index = containsNull ? 1 : 0;i>=0;i--) {
+			if(KEY_EQUALS_NOT_NULL(keys[i])) action.accept(index++, keys[i]);
+		}
+	}
+	
 	@Override
 	public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 		Objects.requireNonNull(action);
diff --git a/src/builder/resources/speiger/assets/collections/templates/sets/RBTreeSet.template b/src/builder/resources/speiger/assets/collections/templates/sets/RBTreeSet.template
index 18f62c0..c7d5a83 100644
--- a/src/builder/resources/speiger/assets/collections/templates/sets/RBTreeSet.template
+++ b/src/builder/resources/speiger/assets/collections/templates/sets/RBTreeSet.template
@@ -19,6 +19,7 @@ import speiger.src.collections.PACKAGE.collections.BI_ITERATOR;
 import speiger.src.collections.PACKAGE.functions.COMPARATOR;
 import speiger.src.collections.PACKAGE.functions.CONSUMER;
 #endif
+import speiger.src.collections.ints.functions.consumer.BI_FROM_INT_CONSUMER;
 import speiger.src.collections.objects.functions.consumer.BI_FROM_OBJECT_CONSUMER;
 #if !JDK_FUNCTION
 import speiger.src.collections.PACKAGE.functions.function.PREDICATE;
@@ -359,6 +360,14 @@ public class RB_TREE_SET KEY_GENERIC_TYPE extends ABSTRACT_SET KEY_GENERIC_TYPE
 		}
 	}
 	
+	@Override
+	public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+		Objects.requireNonNull(action);
+		int index = 0;
+		for(Entry KEY_GENERIC_TYPE entry = first;entry != null;entry = entry.next())
+			action.accept(index++, entry.key);	
+	}
+	
 	@Override
 	public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 		Objects.requireNonNull(action);
@@ -1259,6 +1268,15 @@ public class RB_TREE_SET KEY_GENERIC_TYPE extends ABSTRACT_SET KEY_GENERIC_TYPE
 			}
 		}
 		
+		@Override
+		public void forEachIndexed(BI_FROM_INT_CONSUMER KEY_GENERIC_TYPE action) {
+			Objects.requireNonNull(action);
+			int index = 0;
+			for(Entry KEY_GENERIC_TYPE entry = start();entry != null && inRange(entry.key);entry = next(entry)) {
+				action.accept(index++, entry.key);	
+			}
+		}
+		
 		@Override
 		public <E> void forEach(E input, BI_FROM_OBJECT_CONSUMER KSK_GENERIC_TYPE<E> action) {
 			Objects.requireNonNull(action);