waitUntil method

Future<void> waitUntil(
  1. bool predicate(
    1. R
    )
)

Implementation

Future<void> waitUntil(bool Function(R) predicate) async {
  if (predicate(_value)) return;
  final completer = Completer<void>();
  _waiting.add((predicate: predicate, completer: completer));
  await completer.future;
}