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Data.Maybe.Utils | Portability | portable | Stability | provisional | Maintainer | John Goerzen <jgoerzen@complete.org> |
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Description |
Utilities for working with the Either data type
Copyright (c) 2004 John Goerzen, jgoerzen@complete.org
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Synopsis |
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Documentation |
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forceMaybe :: Maybe a -> a |
Pulls a Just value out of a Maybe value. If the Maybe value is
Nothing, raises an exception with error.
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forceMaybeMsg :: String -> Maybe a -> a |
Like forceMaybe, but lets you customize the error message raised if
Nothing is supplied.
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Produced by Haddock version 0.8 |