mapOption<S> method
Implementation
FutureOr<S> mapOption<S>({
required FutureOr<S> Function() ifNone,
required FutureOr<S> Function(T v) ifSome,
}) {
return optionFut().then((value) {
return value.map(ifNone: ifNone, ifSome: ifSome);
});
}