streamly-0.8.2: Dataflow programming and declarative concurrency

Copyright	(c) 2021 Composewell Technologies
License	BSD-3-Clause
Maintainer	streamly@composewell.com
Stability	released
Portability	GHC
Safe Haskell	None
Language	Haskell2010

Streamly.Console.Stdio

Contents

Read (stdin)
Write (stdout)
Write (stderr)

Description

Combinators to work with standard input, output and error streams.

See also: Streamly.Internal.Console.Stdio

Synopsis

read :: MonadIO m => Unfold m () Word8
readChunks :: MonadIO m => Unfold m () (Array Word8)
write :: MonadIO m => Fold m Word8 ()
writeChunks :: MonadIO m => Fold m (Array Word8) ()
writeErr :: MonadIO m => Fold m Word8 ()
writeErrChunks :: MonadIO m => Fold m (Array Word8) ()

Read (stdin)

read :: MonadIO m => Unfold m () Word8 Source #

Unfold standard input into a stream of Word8.

Since: 0.8.0

readChunks :: MonadIO m => Unfold m () (Array Word8) Source #

Unfolds standard input into a stream of Word8 arrays.

Since: 0.8.0

Write (stdout)

write :: MonadIO m => Fold m Word8 () Source #

Fold a stream of Word8 to standard output.

Since: 0.8.0

writeChunks :: MonadIO m => Fold m (Array Word8) () Source #

Fold a stream of Array Word8 to standard output.

Since: 0.8.0

Write (stderr)

writeErr :: MonadIO m => Fold m Word8 () Source #

Fold a stream of Word8 to standard error.

Since: 0.8.0

writeErrChunks :: MonadIO m => Fold m (Array Word8) () Source #

Fold a stream of Array Word8 to standard error.

Since: 0.8.0