Modulecabal-install-3.18.1.0

Distribution.Client.Utils

Synopsis

value byteStringToFilePath
value canonicalizePathNoThrow
value concatMapM
value determineNumJobs
value duplicates
value duplicatesBy
value existsAndIsMoreRecentThan
value filePathToByteString
value getCurrentYear
value giveRTSWarning
value hasElem
value incVersion
value listFilesInside
value listFilesRecursive
value logDirChange
value makeAbsoluteToCwd
value makeRelativeCanonical
value makeRelativeToCwd
value makeRelativeToDir
value makeRelativeToDirS
value mergeBy
value moreRecentFile
value numberOfProcessors
value occursOnlyOrBefore
value progressMessage
value pvpize
value relaxEncodingErrors
value safeRead
value tryCanonicalizePath
value tryReadAddSourcePackageDesc
value tryReadGenericPackageDesc
value withEnv
value withEnvOverrides
value withExtraPathEnv
value withTempFileName
value readMaybe
data MergeResult
data ProgressPhase

Packagecabal-install-3.18.1.0
Exports38
LicenceBSD-3-Clause
SourceRead.hs

valuebyteStringToFilePath :: ByteString -> FilePath

valuecanonicalizePathNoThrow :: FilePath -> IO FilePath

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

valuedetermineNumJobs :: Flag (Maybe Int) -> Int

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

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

valueexistsAndIsMoreRecentThan :: FilePath -> FilePath -> IO Bool

valuefilePathToByteString :: FilePath -> ByteString

valuegetCurrentYear :: IO Integer

valuegiveRTSWarning :: String -> String

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

valueincVersion :: Int -> Version -> Version

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

valuelistFilesRecursive :: FilePath -> IO [FilePath]

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

valuemakeAbsoluteToCwd :: FilePath -> IO FilePath

valuemakeRelativeCanonical :: FilePath -> FilePath -> FilePath

valuemakeRelativeToCwd :: FilePath -> IO FilePath

valuemakeRelativeToDir :: FilePath -> FilePath -> IO FilePath

valuemakeRelativeToDirS

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

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

valuemoreRecentFile :: FilePath -> FilePath -> IO Bool

valuenumberOfProcessors :: Int

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

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

valuepvpize :: Bool -> Version -> VersionRange

valuerelaxEncodingErrors :: Handle -> IO ()

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

valuetryCanonicalizePath :: FilePath -> IO FilePath

valuetryReadAddSourcePackageDesc

valuetryReadGenericPackageDesc

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

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

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

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

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

Source#

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

Constructors

OnlyInLeft a
InBoth a b
OnlyInRight b

datadata ProgressPhase

ProgressDownloading ProgressDownloaded ProgressStarting ProgressBuilding ProgressHaddock ProgressInstalling ProgressCompleted