CurryInfo: verify-non-fail-2.0.0 / Verify.ProgInfo.hasModInfoFor
definition: 
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hasModInfoFor :: IORef ProgInfo -> String -> IO Bool hasModInfoFor piref mn = do pi <- readIORef piref return $ maybe False (const True) (lookup mn (progInfos pi)) |
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demand:
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no demanded arguments |
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deterministic:
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deterministic operation |
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documentation:
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Does the info for a module with a given name already exists? |
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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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hasModInfoFor |
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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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Data.IORef.IORef ProgInfo -> String -> Prelude.IO Prelude.Bool |
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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 |