combineLatest4<TIn2, TIn3, TIn4, TOut> method
ValueListenable<TOut>
combineLatest4<TIn2, TIn3, TIn4, TOut>(
- ValueListenable<
TIn2> combineWith2, - ValueListenable<
TIn3> combineWith3, - ValueListenable<
TIn4> combineWith4, - CombiningFunction4<
T, TIn2, TIn3, TIn4, TOut> combiner,
Similar to what combineLatest does. Only change is you can listen to 4 ValueNotifiers together usage e.g: final subscription = listenable1
Implementation
// .combineLatest4<String, String, String, String>(
// listenable2, listenable3, listenable4, (i, j, k, s) => "$i:$j:$k:$s")
// .listen((x, _) {
// print(x);
// });
ValueListenable<TOut> combineLatest4<TIn2, TIn3, TIn4, TOut>(
ValueListenable<TIn2> combineWith2,
ValueListenable<TIn3> combineWith3,
ValueListenable<TIn4> combineWith4,
CombiningFunction4<T, TIn2, TIn3, TIn4, TOut> combiner) {
return CombiningValueNotifier4<T, TIn2, TIn3, TIn4, TOut>(
combiner(this.value, combineWith2.value, combineWith3.value,
combineWith4.value),
this,
combineWith2,
combineWith3,
combineWith4,
combiner,
);
}