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Within LTS Haskell 24.65 (ghc-9.10.3)
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SystemID :: String -> String -> String -> String -> String -> SystemIDunix-compat System.PosixCompat.Unistd No documentation available.
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unix-compat System.PosixCompat.Unistd No documentation available.
void :: Functor f => f a -> f ()pipes Pipes void value discards or ignores the result of evaluation, such as the return value of an IO action.
Examples
Replace the contents of a Maybe Int with unit:>>> void Nothing Nothing
>>> void (Just 3) Just ()
Replace the contents of an Either Int Int with unit, resulting in an Either Int ():>>> void (Left 8675309) Left 8675309
>>> void (Right 8675309) Right ()
Replace every element of a list with unit:>>> void [1,2,3] [(),(),()]
Replace the second element of a pair with unit:>>> void (1,2) (1,())
Discard the result of an IO action:>>> mapM print [1,2] 1 2 [(),()]
>>> void $ mapM print [1,2] 1 2
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regex-tdfa Text.Regex.TDFA.Common No documentation available.
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regex-tdfa Text.Regex.TDFA.Common No documentation available.
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regex-tdfa Text.Regex.TDFA.TDFA No documentation available.
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regex-tdfa Text.Regex.TDFA.TNFA No documentation available.
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cmdargs System.Console.CmdArgs.Explicit Items that are hidden (not displayed in the help message).
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Standard spec's for GenValidity instances Note: There are companion packages for this library:
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To use the Spec functions in this module, you will need TypeApplications. The most interesting functions in this module for most uses are:
- genValidSpec
- eqSpec
- ordSpec
- producesValidsOnValids
- forAllValid
- shouldBeValid