Moduleghc-toolchain-0.1.0.0Haskell2010

GHC.Toolchain.Utils

valueexpectJust :: String -> Maybe a -> M a

valueexpectFileExists :: FilePath -> String -> M ()

valuewithTempDir :: (FilePath -> M a) -> M a

valueoneOf :: String -> [M b] -> M b

valueoneOf' :: [String] -> [M b] -> M b

Like oneOf but takes a multi-line error message if none of the checks succeed.

valueisSuccess :: ExitCode -> Bool