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30 lines
809 B
Haskell
30 lines
809 B
Haskell
{- This file is part of Vervis.
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-
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- Written in 2016 by fr33domlover <fr33domlover@riseup.net>.
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-
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- ♡ Copying is an act of love. Please copy, reuse and share.
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-
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- The author(s) have dedicated all copyright and related and neighboring
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- rights to this software to the public domain worldwide. This software is
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- distributed without any warranty.
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-
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- You should have received a copy of the CC0 Public Domain Dedication along
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- with this software. If not, see
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- <http://creativecommons.org/publicdomain/zero/1.0/>.
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-}
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module Data.Either.Local
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( maybeRight
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, maybeLeft
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)
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where
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import Prelude
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maybeRight :: Either a b -> Maybe b
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maybeRight (Left _) = Nothing
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maybeRight (Right b) = Just b
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maybeLeft :: Either a b -> Maybe a
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maybeLeft (Left a) = Just a
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maybeLeft (Right _) = Nothing
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