contains method

bool contains (
  1. int id
)

Returns true if this box contains an Object with the ID id.

Implementation

bool contains(int id) {
  final contains = allocate<Uint8>();
  try {
    checkObx(bindings.obx_box_contains(_cBox, id, contains));
    return contains.value > 0 ? true : false;
  } finally {
    free(contains);
  }
}