get<T extends Object?> method

T? get<T extends Object?>([ String? id, Object? ref ])

Creates and/or gets the instance of T with an id optional.

Under the following conditions:

• if found it, returns it.
• if not found and has registered it, creates and returns it.
• else returns null.

Implementation

T? get<T extends Object?>([String? id, Object? ref]) {
  return _getOrCreateIfNotExtist<T>(id, ref)?.instance;
}