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toastal/OnFail.elm

Last active November 4, 2016 17:52
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OnFail.elm
module OnFail exposing (onFail)
onFail : (a -> Maybe b) -> (a -> b) -> a -> b
onFail f g x =
case f x of
Just y ->
y
Nothing ->
g x
infixl 2 ?>
(?>) : (a -> Maybe b) -> (a -> b) -> a -> b
(?>) =
onFail
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