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io-streams.cabal
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Name: io-streams
Version: 1.5.2.2
License: BSD3
License-file: LICENSE
Category: Data, Network, IO-Streams
Build-type: Simple
Maintainer: Gregory Collins <[email protected]>
Cabal-version: >= 1.10
Synopsis: Simple, composable, and easy-to-use stream I/O
Tested-With:
GHc == 9.6.0
GHC == 9.4.4
GHC == 9.2.6
GHC == 9.0.2
GHC == 8.10.7
GHC == 8.8.4
GHC == 8.6.5
GHC == 8.4.4
GHC == 8.2.2
GHC == 8.0.2
GHC == 7.10.3
GHC == 7.8.4
GHC == 7.6.3
GHC == 7.4.2
Bug-Reports: https://github.com/snapframework/io-streams/issues
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.read :: InputStream a -> IO (Maybe a)
.
\-\- push an item back to an input stream
Streams.unRead :: a -> InputStream a -> IO ()
.
\-\- write to an output stream
Streams.write :: Maybe a -> 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.
Extra-Source-Files: CONTRIBUTORS README.md changelog.md
Flag NoInteractiveTests
Description: Do not run interactive tests
Default: False
Flag Zlib
Description: Include zlib support
Default: True
Manual: True
Flag Network
Description: Include network support
Default: True
Manual: True
------------------------------------------------------------------------------
Library
hs-source-dirs: src
Default-language: Haskell2010
ghc-options: -Wall -fwarn-tabs -funbox-strict-fields
-fno-warn-unused-do-bind
Exposed-modules: System.IO.Streams,
System.IO.Streams.Attoparsec,
System.IO.Streams.Attoparsec.ByteString,
System.IO.Streams.Attoparsec.Text,
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.Process,
System.IO.Streams.Text,
System.IO.Streams.Vector,
System.IO.Streams.Internal,
System.IO.Streams.Tutorial
Other-modules: System.IO.Streams.Internal.Attoparsec,
System.IO.Streams.Internal.Search
Build-depends: base >= 4 && <5,
attoparsec >= 0.10 && <0.15,
bytestring >= 0.9 && <0.12,
primitive >= 0.2 && <0.9,
process >= 1.1 && <1.7,
text >=0.10 && <1.3 || >= 2.0 && <2.1,
time >= 1.2 && <1.13,
transformers >= 0.2 && <0.7,
vector >= 0.7 && <0.14
if !impl(ghc >= 7.8)
Build-depends: bytestring-builder >= 0.10 && <0.11
if impl(ghc >= 7.2)
other-extensions: Trustworthy
if flag(Zlib)
Exposed-modules: System.IO.Streams.Zlib
Build-depends: zlib-bindings >= 0.1 && <0.2
cpp-options: -DENABLE_ZLIB
if flag(Network)
Exposed-modules: System.IO.Streams.Network
Other-modules: System.IO.Streams.Internal.Network
Build-depends: network >= 2.3 && <3.2
cpp-options: -DENABLE_NETWORK
other-extensions:
BangPatterns,
CPP,
DeriveDataTypeable,
FlexibleContexts,
FlexibleInstances,
GeneralizedNewtypeDeriving,
MultiParamTypeClasses,
OverloadedStrings,
RankNTypes,
TypeSynonymInstances
------------------------------------------------------------------------------
Test-suite testsuite
Type: exitcode-stdio-1.0
hs-source-dirs: src test
Main-is: TestSuite.hs
Default-language: Haskell2010
Other-modules: System.IO.Streams.Tests.Attoparsec.ByteString,
System.IO.Streams.Tests.Attoparsec.Text,
System.IO.Streams.Tests.Builder,
System.IO.Streams.Tests.ByteString,
System.IO.Streams.Tests.Combinators,
System.IO.Streams.Tests.Common,
System.IO.Streams.Tests.Concurrent,
System.IO.Streams.Tests.Debug,
System.IO.Streams.Tests.File,
System.IO.Streams.Tests.Handle,
System.IO.Streams.Tests.Internal,
System.IO.Streams.Tests.List,
System.IO.Streams.Tests.Process,
System.IO.Streams.Tests.Text,
System.IO.Streams.Tests.Vector,
System.IO.Streams,
System.IO.Streams.Attoparsec.ByteString,
System.IO.Streams.Attoparsec.Text,
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.Process,
System.IO.Streams.Text,
System.IO.Streams.Vector,
System.IO.Streams.Internal,
System.IO.Streams.Internal.Attoparsec,
System.IO.Streams.Internal.Search
ghc-options: -Wall -fwarn-tabs -funbox-strict-fields -threaded
-fno-warn-unused-do-bind
if !os(windows) && !flag(NoInteractiveTests)
cpp-options: -DENABLE_PROCESS_TESTS
if flag(Zlib)
Other-modules: System.IO.Streams.Tests.Zlib,
System.IO.Streams.Zlib
Build-depends: zlib-bindings,
zlib >= 0.5 && <0.7
cpp-options: -DENABLE_ZLIB
if flag(Network)
Other-modules: System.IO.Streams.Internal.Network,
System.IO.Streams.Network,
System.IO.Streams.Tests.Network
Build-depends: network
cpp-options: -DENABLE_NETWORK
Build-depends: base,
attoparsec,
bytestring,
deepseq >= 1.2 && <1.5,
directory >= 1.1 && <2,
filepath >= 1.2 && <2,
mtl >= 2 && <3,
primitive,
process,
text,
time,
transformers,
vector,
HUnit >= 1.2 && <2,
QuickCheck >= 2.3.0.2 && <3,
test-framework >= 0.6 && <0.9,
test-framework-hunit >= 0.2.7 && <0.4,
test-framework-quickcheck2 >= 0.2.12.1 && <0.4
if !impl(ghc >= 7.8)
Build-depends: bytestring-builder
if impl(ghc >= 7.2)
other-extensions: Trustworthy
other-extensions:
BangPatterns,
CPP,
DeriveDataTypeable,
FlexibleInstances,
GeneralizedNewtypeDeriving,
MultiParamTypeClasses,
OverloadedStrings,
RankNTypes
source-repository head
type: git
location: https://github.com/snapframework/io-streams.git