save<T> method
Implementation
@override
SaveObservableBase<T> save<T>(
FutureOr<T> Function(SaveObserver $) build, {
void Function(T last)? onDispose,
}) {
assert(
_localProviders.length <= _index ||
_localProviders[_index] is SaveProvider<T>,
r'''
[SAVE] Do not use [$.save] conditionally.
''');
final provider = switch (_localProviders.length) {
int len when len > _index => _localProviders[_index],
_ => (_localProviders
..add(rx.save(build, onDispose: onDispose, autoDispose: true)))
.last,
} as SaveProvider<T>;
_index++;
return watch(provider);
}