subscribe method

QueryDispose subscribe(
  1. void listener(
    1. MutationState<TData, TVariables, TOptimistic> state
    )
)

Subscribes to mutation state changes and emits the current state.

Implementation

QueryDispose subscribe(
  void Function(MutationState<TData, TVariables, TOptimistic> state) listener,
) {
  _listeners.add(listener);
  listener(_state);
  return () => _listeners.remove(listener);
}