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ptal / expected

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[Monads] Change Errored to PossiblyErrored #7

Open viboes opened 10 years ago

viboes commented 10 years ago

If we decide to adopt PossiblyValued/possibly_valued_traits we could define a PossiblyUnexpected concept that requires PossibleValued and add a way to get the unexpected value.

viboes commented 10 years ago

I suggest to change the title of this issue to Change Errored to PossiblyErrored and make it an enhancement.