Distribution.Client.Utils · cabal-install-3.18.1.0

valuebyteStringToFilePath :: ByteString -> FilePath

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valuecanonicalizePathNoThrow :: FilePath -> IO FilePath

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valueconcatMapM :: Monad m => (a -> m [b]) -> [a] -> m [b]

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valuedetermineNumJobs :: Flag (Maybe Int) -> Int

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valueduplicates :: Ord a => [a] -> [NonEmpty a]

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valueduplicatesBy :: (a -> a -> Ordering) -> [a] -> [NonEmpty a]

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valueexistsAndIsMoreRecentThan :: FilePath -> FilePath -> IO Bool

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valuefilePathToByteString :: FilePath -> ByteString

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valuegetCurrentYear :: IO Integer

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valuegiveRTSWarning :: String -> String

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valuehasElem :: Ord a => [a] -> a -> Bool

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valueincVersion :: Int -> Version -> Version

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valuelistFilesInside :: (FilePath -> IO Bool) -> FilePath -> IO [FilePath]

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valuelistFilesRecursive :: FilePath -> IO [FilePath]

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valuelogDirChange :: (String -> IO ()) -> Maybe FilePath -> IO a -> IO a

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valuemakeAbsoluteToCwd :: FilePath -> IO FilePath

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valuemakeRelativeCanonical :: FilePath -> FilePath -> FilePath

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valuemakeRelativeToCwd :: FilePath -> IO FilePath

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valuemakeRelativeToDir :: FilePath -> FilePath -> IO FilePath

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valuemakeRelativeToDirS

:: Maybe (SymbolicPath CWD ('Dir dir))
-> SymbolicPath CWD to
-> IO (SymbolicPath dir to)

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valuemergeBy :: (a -> b -> Ordering) -> [a] -> [b] -> [MergeResult a b]

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valuemoreRecentFile :: FilePath -> FilePath -> IO Bool

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valuenumberOfProcessors :: Int

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valueoccursOnlyOrBefore :: Eq a => [a] -> a -> a -> Bool

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valueprogressMessage :: Verbosity -> ProgressPhase -> String -> IO ()

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valuepvpize :: Bool -> Version -> VersionRange

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valuerelaxEncodingErrors :: Handle -> IO ()

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valuesafeRead :: Read a => String -> Maybe a

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valuetryCanonicalizePath :: FilePath -> IO FilePath

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valuetryReadAddSourcePackageDesc

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valuetryReadGenericPackageDesc

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valuewithEnv :: String -> String -> IO a -> IO a

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valuewithEnvOverrides :: [(String, Maybe FilePath)] -> IO a -> IO a

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valuewithExtraPathEnv :: [FilePath] -> IO a -> IO a

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valuewithTempFileName :: FilePath -> String -> (FilePath -> IO a) -> IO a

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valuereadMaybe :: Read a => String -> Maybe a

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Parse a string using the Read instance. Succeeds if there is exactly one valid result.

Example1 expression

>>> readMaybe "123" :: Maybe IntJust 123

Example1 expression

>>> readMaybe "hello" :: Maybe IntNothing

datadata MergeResult a b

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Constructors

OnlyInLeft a
InBoth a b
OnlyInRight b

datadata ProgressPhase

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ProgressDownloading ProgressDownloaded ProgressStarting ProgressBuilding ProgressHaddock ProgressInstalling ProgressCompleted