CurryInfo: base-3.4.0 / Prelude.liftM2
definition: 
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liftM2 :: Monad m => (a1 -> a2 -> r) -> m a1 -> m a2 -> m r liftM2 f m1 m2 = do x1 <- m1 x2 <- m2 return (f x1 x2) |
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demand:
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argument 1 |
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deterministic:
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deterministic operation |
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documentation:
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Promotes a binary function to a monad. The function arguments are scanned from left to right. For instance, `liftM2 (+) [1,2] [3,4]` evaluates to `[4,5,5,6]`, and `liftM2 (,) [1,2] [3,4]` evaluates to `[(1,3),(1,4),(2,3),(2,4)]`. |
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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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{(_,_,_,_) |-> _}
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name:
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liftM2 |
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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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Monad d => (a -> b -> c) -> d a -> d b -> d c |
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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 |