Implemented ForEachIndexed into all collections

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);