/var/lib/ghc/package.conf.d/io-streams-1.1.2.2.conf is in libghc-io-streams-dev 1.1.2.2-1.
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version: 1.1.2.2
id: io-streams-1.1.2.2-fee20529f8b78b86ff3904e8542fa8d3
license: BSD3
copyright:
maintainer: Gregory Collins <greg@gregorycollins.net>
stability:
homepage:
package-url:
synopsis: Simple, composable, and easy-to-use stream I/O
description: /Overview/
.
The io-streams library contains simple and easy-to-use primitives for I/O
using streams. Most users will want to import the top-level convenience
module "System.IO.Streams", which re-exports most of the library:
.
@
import "System.IO.Streams" (InputStream, OutputStream)
import qualified "System.IO.Streams" as Streams
@
.
For first-time users, @io-streams@ comes with an included tutorial, which can
be found in the "System.IO.Streams.Tutorial" module.
.
/Features/
.
The @io-streams@ user API has two basic types: @InputStream a@ and
@OutputStream a@, and three fundamental I/O primitives:
.
@
\-\- read an item from an input stream
Streams.'System.IO.Streams.read' :: 'System.IO.Streams.InputStream' a -> IO (Maybe a)
.
\-\- push an item back to an input stream
Streams.'System.IO.Streams.unRead' :: a -> 'System.IO.Streams.InputStream' a -> IO ()
.
\-\- write to an output stream
Streams.'System.IO.Streams.write' :: Maybe a -> 'System.IO.Streams.OutputStream' a -> IO ()
@
.
Streams can be transformed by composition and hooked together with provided combinators:
.
@
ghci> Streams.fromList [1,2,3::Int] >>= Streams.map (*10) >>= Streams.toList
[10,20,30]
@
.
Stream composition leaves the original stream accessible:
.
@
ghci> input \<- Streams.fromByteString \"long string\"
ghci> wrapped \<- Streams.takeBytes 4 input
ghci> Streams.read wrapped
Just \"long\"
ghci> Streams.read wrapped
Nothing
ghci> Streams.read input
Just \" string\"
@
.
Simple types and operations in the IO monad mean straightforward and simple
exception handling and resource cleanup using Haskell standard library
facilities like 'Control.Exception.bracket'.
.
@io-streams@ comes with:
.
* functions to use files, handles, concurrent channels, sockets, lists,
vectors, and more as streams.
.
* a variety of combinators for wrapping and transforming streams, including
compression and decompression using zlib, controlling precisely how many
bytes are read from or written to a stream, buffering output using
bytestring builders, folds, maps, filters, zips, etc.
.
* support for parsing from streams using @attoparsec@.
.
* support for spawning processes and communicating with them using streams.
.
/ChangeLog/
.
[@1.1.2.2@] Allowed newest versions of the @process@, @test-framework@,
and @text@ libraries.
.
[@1.1.2.1@] Fixed build error when compiled against attoparsec-0.10.0.x.
.
[@1.1.2.0@] Added @System.IO.Streams.Concurrent.makeChanPipe@, to create a
simple concurrent pipe between an @InputStream@/@OutputStream@
pair.
.
[@1.1.1.0@] Added @System.IO.Streams.Network.socketToStreamsWithBufferSize@,
allowing control over the size of the receive buffers used when
reading from sockets.
.
[@1.1.0.3@] Fixed an inconsistent version upper bound in the test suite.
.
[@1.1.0.2@] Fixed a typo in the tutorial.
.
[@1.1.0.1@] A couple of Haddock markup fixes.
.
[@1.1.0.0@] Reworked, simplified, and streamlined the internals of the
library. Exports from "System.IO.Streams.Internal" relying on
Sources and Sinks were deleted because they are no longer
necessary: Source(..), Sink(..), defaultPushback,
withDefaultPushback, nullSource, nullSink, singletonSource,
simpleSource, sourceToStream, sinkToStream, generatorToSource,
and consumerToSink.
.
[@1.0.2.2@] Fixed a bug in which \"takeBytes 0\" was erroneously requesting
input from the wrapped stream.
.
[@1.0.2.1@] Fixed a compile error on GHC 7.0.x.
.
[@1.0.2.0@] Added "System.IO.Streams.Process" (support for communicating
with system processes using streams), added new functions to
"System.IO.Streams.Handle" for converting @io-streams@ types to
'System.IO.Handle's. (Now you can pass streams from this
library to places that expect Handles and everything will
work.)
.
[@1.0.1.0@] Added 'System.IO.Streams.Combinators.ignoreEof'.
.
[@1.0.0.1@] Fixed some haddock markup.
category: Data, Network, IO-Streams
author:
exposed: True
exposed-modules: System.IO.Streams System.IO.Streams.Attoparsec
System.IO.Streams.Builder System.IO.Streams.ByteString
System.IO.Streams.Combinators System.IO.Streams.Concurrent
System.IO.Streams.Core System.IO.Streams.Debug
System.IO.Streams.Handle System.IO.Streams.File
System.IO.Streams.List System.IO.Streams.Network
System.IO.Streams.Process System.IO.Streams.Text
System.IO.Streams.Vector System.IO.Streams.Zlib
System.IO.Streams.Internal System.IO.Streams.Tutorial
hidden-modules: System.IO.Streams.Internal.Attoparsec
System.IO.Streams.Internal.Search
trusted: False
import-dirs: /usr/lib/haskell-packages/ghc/lib/io-streams-1.1.2.2/ghc-7.6.3
library-dirs: /usr/lib/haskell-packages/ghc/lib/io-streams-1.1.2.2/ghc-7.6.3
hs-libraries: HSio-streams-1.1.2.2
extra-libraries:
extra-ghci-libraries:
include-dirs:
includes:
depends: attoparsec-0.10.4.0-d9fd97cfc1a1748b3cde35adf7fd233b
base-4.6.0.1-8aa5d403c45ea59dcd2c39f123e27d57
blaze-builder-0.3.3.0-c4811f3b9aa33d6ba7b3cb73255068c1
bytestring-0.10.0.2-4f93248f75667c2c3321a7a6761b576f
network-2.4.1.2-040cee5ece44014a8574cb3f87b1eec4
primitive-0.5.0.1-8e5f40b409f7bb31ae1acfb125279700
process-1.1.0.2-76e05340eb66705981411022731ca84a
text-0.11.3.1-e38859e86485c167fa7c9441789e7607
time-1.4.0.1-10dc4804a19dc0000fab79908f1a9f50
transformers-0.3.0.0-ff2bb6ac67241ebb987351a3db564af0
vector-0.10.0.1-1fbb548bc492f07fef7e604d2e6f581d
zlib-bindings-0.1.1.1-b71edc7b0d0ff996e8e22cb35173c270
hugs-options:
cc-options:
ld-options:
framework-dirs:
frameworks:
haddock-interfaces: /usr/lib/ghc-doc/haddock/io-streams-1.1.2.2/io-streams.haddock
haddock-html: /usr/share/doc/libghc-io-streams-doc/html/
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