otherwise method
Implementation
ClosedAsyncPatternMatcher<I, O> otherwise(
FutureOr<O> Function(I input) function) {
var newCases = List<_Case<I, dynamic, Future<O>>>.from(_cases);
newCases.add(_Case(predicate((i) => true, (i) async => i, 'Otherwise'),
(dynamic i) async {
return function(await (await i));
}));
return ClosedAsyncPatternMatcher(newCases);
}