filter method
Create a derived atom, that filters the values using the given predicate.
Implementation
AtomWithParent<FutureValue<A>, Atom<A>> filter(
bool Function(A value) predicate,
) =>
AtomWithParent(this, (get, parent) {
get.subscribe(parent, (A a) {
if (predicate(a)) {
get.setSelf(FutureValue.data(a));
}
}, fireImmediately: true);
return get.self() ?? FutureValue.loading();
});