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akoppela/Maybe.Extra

Last active February 5, 2018 07:13
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Maybe.Extra
{-| Returns just true if given maybe is just something.
Otherise returns just false if given maybe is nothing.
maybeAndToBool (Just 42) == Just True
maybeAndToBool Nothing == Just False
-}
maybeAndToBool : Maybe a -> Maybe Bool
maybeAndToBool maybe =
case maybe of
Just _ ->
Just True
Nothing ->
Just False
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