New Features.

-Added: Suppliers.
-Added: ComputeIfAbsent but value generator is a supplier

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

@@ -33,6 +33,7 @@ import speiger.src.collections.PACKAGE.sets.SET;
 #if !SAME_TYPE
 import speiger.src.collections.VALUE_PACKAGE.functions.function.VALUE_UNARY_OPERATOR;
 #endif
+import speiger.src.collections.VALUE_PACKAGE.functions.VALUE_SUPPLIER;
 import speiger.src.collections.objects.collections.ObjectIterator;
 #if !TYPE_OBJECT
 import speiger.src.collections.objects.sets.ObjectSet;
@@ -267,6 +268,14 @@ public interface MAP KEY_VALUE_GENERIC_TYPE extends Map<CLASS_TYPE, CLASS_VALUE_
 	 * @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 Supplier based computeIfAbsent function to fill the most used usecase of this function
+	 * @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 COMPUTE_IF_ABSENT(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider);
 	/**
 	 * A Type Specific compute method to reduce boxing/unboxing
 	 * @param key the key that should be computed