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definition:
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keyOrNothing :: (Int -> key) -> SQLValue -> Maybe key
keyOrNothing _ SQLNull = Nothing
keyOrNothing keycon (SQLInt k) = Just (keycon k)
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demand:
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argument 2
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deterministic:
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deterministic operation
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documentation:
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-- Conversion functions from SQL values to Curry values.
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failfree:
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(_, {SQLInt,SQLNull})
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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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{(_,{SQLNull}) |-> {Nothing} || (_,{SQLInt}) |-> {Just}}
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name:
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keyOrNothing
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precedence:
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no precedence defined
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result-values:
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{Just,Nothing}
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signature:
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(Prelude.Int -> a) -> Database.CDBI.Connection.SQLValue -> 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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yes
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totally-defined:
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possibly non-reducible on same data term
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