Safe Haskell	Trustworthy
Language	Haskell2010

GHC.Fingerprint

Synopsis

data Fingerprint = Fingerprint !Word64 !Word64
fingerprint0 :: Fingerprint
fingerprintData :: Ptr Word8 -> Int -> IO Fingerprint
fingerprintString :: String -> Fingerprint
fingerprintFingerprints :: [Fingerprint] -> Fingerprint
getFileHash :: FilePath -> IO Fingerprint

Documentation

data Fingerprint Source #

Constructors

Fingerprint !Word64 !Word64

Instances

Instances details

Eq Fingerprint Source #

Since: 4.4.0.0

Instance details

Defined in GHC.Fingerprint.Type

Methods

(==) :: Fingerprint -> Fingerprint -> Bool #

(/=) :: Fingerprint -> Fingerprint -> Bool #

Ord Fingerprint Source #

Since: 4.4.0.0

Instance details

Defined in GHC.Fingerprint.Type

Methods

compare :: Fingerprint -> Fingerprint -> Ordering #

(<) :: Fingerprint -> Fingerprint -> Bool #

(<=) :: Fingerprint -> Fingerprint -> Bool #

(>) :: Fingerprint -> Fingerprint -> Bool #

(>=) :: Fingerprint -> Fingerprint -> Bool #

max :: Fingerprint -> Fingerprint -> Fingerprint #

min :: Fingerprint -> Fingerprint -> Fingerprint #

Show Fingerprint Source #

Since: 4.7.0.0

Instance details

Defined in GHC.Fingerprint.Type

Methods

showsPrec :: Int -> Fingerprint -> ShowS Source #

show :: Fingerprint -> String Source #

showList :: [Fingerprint] -> ShowS Source #

Storable Fingerprint Source #

Since: 4.4.0.0

Instance details

Defined in Foreign.Storable

Methods

sizeOf :: Fingerprint -> Int Source #

alignment :: Fingerprint -> Int Source #

peekElemOff :: Ptr Fingerprint -> Int -> IO Fingerprint Source #

pokeElemOff :: Ptr Fingerprint -> Int -> Fingerprint -> IO () Source #

peekByteOff :: Ptr b -> Int -> IO Fingerprint Source #

pokeByteOff :: Ptr b -> Int -> Fingerprint -> IO () Source #

peek :: Ptr Fingerprint -> IO Fingerprint Source #

poke :: Ptr Fingerprint -> Fingerprint -> IO () Source #

fingerprint0 :: Fingerprint Source #

fingerprintData :: Ptr Word8 -> Int -> IO Fingerprint Source #

fingerprintString :: String -> Fingerprint Source #

fingerprintFingerprints :: [Fingerprint] -> Fingerprint Source #

getFileHash :: FilePath -> IO Fingerprint Source #

Computes the hash of a given file. This function loops over the handle, running in constant memory.

Since: 4.7.0.0