cancelable_compute 2.0.0 cancelable_compute: ^2.0.0 copied to clipboard
Flutter-based compute operation that can be canceled with either null or a specific value.
import 'package:cancelable_compute/cancelable_compute.dart';
int fib(int n) {
if (n < 2) {
return n;
}
return fib(n - 2) + fib(n - 1);
}
Future<int> delayed(int n) async {
await Future<void>.delayed(Duration(seconds: n ~/ 2));
return fib(n);
}
Future<void> main() async {
final operation = compute(delayed, 4);
Future<void>.delayed(Duration(seconds: 1), operation.cancel);
final result = await operation.value;
print(result ?? -1);
}