Haskell Hierarchical Libraries (base package)ContentsIndex
GHC.Show
Portability non-portable (GHC Extensions)
Stability internal
Maintainer cvs-ghc@haskell.org
Description
The Show class, and related operations.
Synopsis
class Show a where
showsPrec :: Int -> a -> ShowS
show :: a -> String
showList :: [a] -> ShowS
type ShowS = String -> String
shows :: Show a => a -> ShowS
showChar :: Char -> ShowS
showString :: String -> ShowS
showParen :: Bool -> ShowS -> ShowS
showList__ :: (a -> ShowS) -> [a] -> ShowS
showSpace :: ShowS
showLitChar :: Char -> ShowS
protectEsc :: (Char -> Bool) -> ShowS -> ShowS
intToDigit :: Int -> Char
showSignedInt :: Int -> Int -> ShowS
appPrec :: Int
appPrec1 :: Int
asciiTab :: [String]
Documentation
class Show a where
Methods
showsPrec :: Int -> a -> ShowS
show :: a -> String
showList :: [a] -> ShowS
Instances
Show ThreadId
(Ix ix, Show ix) => Show (UArray ix Bool)
(Ix ix, Show ix) => Show (UArray ix Char)
(Ix ix, Show ix) => Show (UArray ix Int)
(Ix ix, Show ix) => Show (UArray ix Word)
(Ix ix, Show ix) => Show (UArray ix Float)
(Ix ix, Show ix) => Show (UArray ix Double)
(Ix ix, Show ix) => Show (UArray ix Int8)
(Ix ix, Show ix) => Show (UArray ix Int16)
(Ix ix, Show ix) => Show (UArray ix Int32)
(Ix ix, Show ix) => Show (UArray ix Int64)
(Ix ix, Show ix) => Show (UArray ix Word8)
(Ix ix, Show ix) => Show (UArray ix Word16)
(Ix ix, Show ix) => Show (UArray ix Word32)
(Ix ix, Show ix) => Show (UArray ix Word64)
(Ix ix, Show ix, Show e) => Show (DiffArray ix e)
(Ix ix, Show ix) => Show (DiffUArray ix Char)
(Ix ix, Show ix) => Show (DiffUArray ix Int)
(Ix ix, Show ix) => Show (DiffUArray ix Word)
(Ix ix, Show ix) => Show (DiffUArray ix Float)
(Ix ix, Show ix) => Show (DiffUArray ix Double)
(Ix ix, Show ix) => Show (DiffUArray ix Int8)
(Ix ix, Show ix) => Show (DiffUArray ix Int16)
(Ix ix, Show ix) => Show (DiffUArray ix Int32)
(Ix ix, Show ix) => Show (DiffUArray ix Int64)
(Ix ix, Show ix) => Show (DiffUArray ix Word8)
(Ix ix, Show ix) => Show (DiffUArray ix Word16)
(Ix ix, Show ix) => Show (DiffUArray ix Word32)
(Ix ix, Show ix) => Show (DiffUArray ix Word64)
(RealFloat a, Show a) => Show (Complex a)
Show Dynamic
Show PackedString
Show TypeRep
Show TyCon
Show CChar
Show CSChar
Show CUChar
Show CShort
Show CUShort
Show CInt
Show CUInt
Show CLong
Show CULong
Show CLLong
Show CULLong
Show CFloat
Show CDouble
Show CLDouble
Show CPtrdiff
Show CSize
Show CWchar
Show CSigAtomic
Show CClock
Show CTime
Show (Ptr a)
Show (FunPtr a)
(Ix a, Show a, Show b) => Show (Array a b)
Show Float
Show Double
Show (ForeignPtr a)
Show HandlePosn
Show SeekMode
Show HandleType
Show Handle
Show ArithException
Show AsyncException
Show ArrayException
Show Exception
Show IOErrorType
Show IOException
Show BufferMode
Show ExitCode
Show IOMode
Show Int8
Show Int16
Show Int32
Show Int64
Show Integer
Integral a => Show (Ratio a)
Show (ST s a)
Show ()
Show a => Show [a]
Show Bool
Show Ordering
Show Char
Show Int
Show a => Show (Maybe a)
(Show a, Show b) => Show (Either a b)
(Show a, Show b) => Show (a, b)
(Show a, Show b, Show c) => Show (a, b, c)
(Show a, Show b, Show c, Show d) => Show (a, b, c, d)
(Show a, Show b, Show c, Show d, Show e) => Show (a, b, c, d, e)
Show Word
Show Word8
Show Word16
Show Word32
Show Word64
Show Permissions
Show TimeLocale
Show CDev
Show CIno
Show CMode
Show COff
Show CPid
Show CSsize
Show CGid
Show CNlink
Show CUid
Show CCc
Show CSpeed
Show CTcflag
Show Fd
Show StdGen
Show ClockTime
Show Month
Show Day
Show CalendarTime
Show TimeDiff
Show Html
Show HtmlAttr
Show HtmlTable
Show HotLink
Show a => Show (BlockTable a)
Show Doc
Show Lexeme
Show (a -> b)
type ShowS = String -> String
shows :: Show a => a -> ShowS
showChar :: Char -> ShowS
showString :: String -> ShowS
showParen :: Bool -> ShowS -> ShowS
showList__ :: (a -> ShowS) -> [a] -> ShowS
showSpace :: ShowS
showLitChar :: Char -> ShowS

Convert a character to a string using only printable characters, using Haskell source-language escape conventions. For example: 

 showLitChar '\n' s  =  "\\n" ++ s
protectEsc :: (Char -> Bool) -> ShowS -> ShowS
intToDigit :: Int -> Char
Convert an Int in the range 0..15 to the corresponding single digit Char. This function fails on other inputs, and generates lower-case hexadecimal digits.
showSignedInt :: Int -> Int -> ShowS
appPrec :: Int
appPrec1 :: Int
asciiTab :: [String]
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