public void forEach(final IntConsumer action) {
		requireNonNull(action);

		final int size = _size;
		for (int i = 0; i < size; ++i) {
			action.accept(_data[i]);
		}
	}
Performs the given action for each element of the list.

@param action the action to be performed for each element
@throws NullPointerException if the specified action is {@code null}
jenetics.ext/src/main/java/io/jenetics/ext/internal/util/IntList.java