chainTryCatchK<A, B> function
TaskOption<B> Function(TaskOption<A> taskOption)
chainTryCatchK<A, B>(
- FutureOr<
B> task(- A value
A chainable variant of tryCatchK, that unwraps the given TaskOption.
final catcher = chainTryCatchK((int i) => i > 5 ? i : throw 'too small!');
expect(
await some(10).chain(catcher)(),
O.some(10),
);
expect(
await some(3).chain(catcher)(),
O.none(),
);
Implementation
TaskOption<B> Function(TaskOption<A> taskOption) chainTryCatchK<A, B>(
FutureOr<B> Function(A value) task,
) =>
flatMap(tryCatchK(task));