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definition:
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oMaybe :: Data a => Observer a -> Observer (Maybe a)
oMaybe _ Nothing = o0 "Nothing" Nothing
oMaybe observeA (Just x) = o1 observeA "Just" Just x
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demand:
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argument 3
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deterministic:
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possibly non-deterministic operation
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documentation:
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-- An observer combinator for the `Maybe` type.
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failfree:
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<FAILING>
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indeterministic:
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might be indeterministic
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infix:
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no fixity defined
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iotype:
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{(_,_,{Nothing}) |-> {o0} || (_,_,{Just}) |-> {o1}}
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name:
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oMaybe
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precedence:
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no precedence defined
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result-values:
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{o0,o1}
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signature:
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Prelude.Data a => (a -> String -> Prelude.Int -> [Prelude.Int] -> a)
-> Prelude.Maybe a -> String -> Prelude.Int -> [Prelude.Int] -> Prelude.Maybe 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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possibly non-terminating
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totally-defined:
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possibly non-reducible on same data term
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