Beispiel #1
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 Exception ExceptionOrDefault(Exceptional <T> ex)
 => ex.Match(exc => exc, _ => default(Exception));
Beispiel #2
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 bool IsSuccess(Exceptional <T> ex)
 => ex.Match(_ => false, _ => true);
Beispiel #3
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 T ValueOrDefault(Exceptional <T> ex)
 => ex.Match(exc => default(T), t => t);
Beispiel #4
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 public static Validation <Exceptional <R> > Traverse <T, R>
     (this Exceptional <T> tr, Func <T, Validation <R> > f)
 => tr.Match(
     Exception: e => Valid(Exceptional.Of <R>(e)),
     Success: t => from r in f(t) select Exceptional.Of(r));