1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
|
module IO (
Handle, HandlePosn,
IOMode(ReadMode,WriteMode,AppendMode,ReadWriteMode),
BufferMode(NoBuffering,LineBuffering,BlockBuffering),
SeekMode(AbsoluteSeek,RelativeSeek,SeekFromEnd),
stdin, stdout, stderr,
openFile, hClose, hFileSize, hIsEOF, isEOF,
hSetBuffering, hGetBuffering, hFlush,
hGetPosn, hSetPosn, hSeek,
hWaitForInput, hReady, hGetChar, hGetLine, hLookAhead, hGetContents,
hPutChar, hPutStr, hPutStrLn, hPrint,
hIsOpen, hIsClosed, hIsReadable, hIsWritable, hIsSeekable,
isAlreadyExistsError, isDoesNotExistError, isAlreadyInUseError,
isFullError, isEOFError,
isIllegalOperation, isPermissionError, isUserError,
ioeGetErrorString, ioeGetHandle, ioeGetFileName,
try, bracket, bracket_,
-- ...and what the Prelude exports
IO, FilePath, IOError, ioError, userError, catch, interact,
putChar, putStr, putStrLn, print, getChar, getLine, getContents,
readFile, writeFile, appendFile, readIO, readLn
) where
import Ix(Ix)
data Handle = ... -- implementation-dependent
instance Eq Handle where ...
instance Show Handle where .. -- implementation-dependent
data HandlePosn = ... -- implementation-dependent
instance Eq HandlePosn where ...
instance Show HandlePosn where --- -- implementation-dependent
data IOMode = ReadMode | WriteMode | AppendMode | ReadWriteMode
deriving (Eq, Ord, Ix, Bounded, Enum, Read, Show)
data BufferMode = NoBuffering | LineBuffering
| BlockBuffering (Maybe Int)
deriving (Eq, Ord, Read, Show)
data SeekMode = AbsoluteSeek | RelativeSeek | SeekFromEnd
deriving (Eq, Ord, Ix, Bounded, Enum, Read, Show)
stdin, stdout, stderr :: Handle
openFile :: FilePath -> IOMode -> IO Handle
hClose :: Handle -> IO ()
|