public RemoveResult <Q> Then <Q>
(Func <P, Q> f)
{
if (f == null)
{
throw new ArgumentNullException(nameof(f));
}
return(Match(
success: value => RemoveResult <Q> .WasSuccess(f(value)),
notFound: () => RemoveResult <Q> .WasNotFound()
));
}
public async static Task <RemoveResult <Q> > ThenAsync <Q>
(this RemoveResult <Q> task
, Func <Q, Task> f)
{
if (task == null)
{
throw new ArgumentNullException(nameof(task));
}
if (f == null)
{
throw new ArgumentNullException(nameof(f));
}
return(await
task
.Match(
success : async value => { await f(value); return task; },
notFound : () => Task.FromResult(RemoveResult <Q> .WasNotFound())
));
}