addSingleton<T> abstract method

void addSingleton<T>(
  1. Function constructor, {
  2. BindConfig<T>? config,
  3. String? key,
})

Register a Singleton instance. It will generate a single instance for the duration of the application, or until manually removed.
The object will be started as soon as it is registered.

injector.addSingleton(MyController.new);

When [key] is provided this instance only can be found by key

Implementation

void addSingleton<T>(
  Function constructor, {
  BindConfig<T>? config,
  String? key,
});