registryAll method

VoidCallback registryAll(
  1. Map<K, V> values
)

Implementation

VoidCallback registryAll(Map<K, V> values) {
  assert(values.isNotEmpty, 'values must not be null or empty.');

  _maps.addAll(values);
  return () {
    _maps.removeWhere((k, _) => _maps.containsKey(k));
  };
}