CurryInfo: base-3.4.0 / Data.Maybe.maybe
definition: 
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maybe :: b -> (a -> b) -> Maybe a -> b maybe n _ Nothing = n maybe _ f (Just x) = f x |
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demand:
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argument 3 |
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deterministic:
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deterministic operation |
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documentation:
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The `maybe` function takes a default value, a function, and a `Maybe` value. If the `Maybe` value is `Nothing`, the default value is returned. Otherwise, the function is applied to the value inside the `Just` and the result is returned. |
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failfree:
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(_, _, _) |
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indeterministic:
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referentially transparent operation |
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infix:
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no fixity defined |
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iotype:
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{(_,_,{Nothing}) |-> _ || (_,_,{Just}) |-> _}
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name:
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maybe |
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precedence:
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no precedence defined |
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result-values:
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_ |
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signature:
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a -> (b -> a) -> Maybe b -> a |
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solution-complete:
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operation might suspend on free variables |
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terminating:
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yes |
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totally-defined:
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reducible on all ground data terms |