/var/lib/ghc/package.conf.d/async-2.0.2.conf is in libghc-async-dev 2.0.2-4build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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version: 2.0.2
id: async-2.0.2-a831412d1c1f2d2e26f26bb4545c7372
key: async_DJcHVsI2ppaKpRhSSaQ8Wc
license: BSD3
copyright: (c) Simon Marlow 2012
maintainer: Simon Marlow <marlowsd@gmail.com>
homepage: https://github.com/simonmar/async
synopsis: Run IO operations asynchronously and wait for their results
description:
This package provides a higher-level interface over
threads, in which an @Async a@ is a concurrent
thread that will eventually deliver a value of
type @a@. The package provides ways to create
@Async@ computations, wait for their results, and
cancel them.
.
Using @Async@ is safer than using threads in two
ways:
.
* When waiting for a thread to return a result,
if the thread dies with an exception then the
caller must either re-throw the exception
('wait') or handle it ('waitCatch'); the
exception cannot be ignored.
.
* The API makes it possible to build a tree of
threads that are automatically killed when
their parent dies (see 'withAsync').
.
Changes in 2.0.2:
.
* Add a Monad instance for Concurrently
* Bump base dependency to allow 4.9
.
Changes in 2.0.1.6:
.
* Add workaround to waitCatch for #14
.
Changes in 2.0.1.5:
.
* Bump @base@ dependencies for GHC 7.8
.
Changes in 2.0.1.4:
.
* Bump @base@ dependency of test suite
.
Changes in 2.0.1.3:
.
* Bump @base@ dependency to allow 4.6
.
Changes in 2.0.1.2:
.
* Bump @stm@ dependency to 2.4
.
Changes in 2.0.1.1:
.
* Safe Haskell support: @Control.Concurrent.Async@ is now @Trustworthy@
.
Changes in 2.0.1.0:
.
* Added a @Functor@ instance for @Async@
.
* Added @asyncBound@, @asyncOn@, @asyncWithUnmask@, @asyncOnWithUnmask@, @withAsyncBound@, @withAsyncOn@, @withAsyncWithUnmask@, @withAsyncOnWithUnmask@.
.
* Added @mapConcurrently@
.
* Added @Concurrently@ (with @Applicative@ and @Alternative@ instances)
category: Concurrency
author: Simon Marlow
exposed: True
exposed-modules:
Control.Concurrent.Async
trusted: False
import-dirs: /usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-7.10.3/async-2.0.2-DJcHVsI2ppaKpRhSSaQ8Wc
library-dirs: /usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-7.10.3/async-2.0.2-DJcHVsI2ppaKpRhSSaQ8Wc
data-dir: /usr/share/async
hs-libraries: HSasync-2.0.2-DJcHVsI2ppaKpRhSSaQ8Wc
depends:
base-4.8.2.0-0d6d1084fbc041e1cded9228e80e264d
stm-2.4.4.1-7050c728ed5b2315e2c6b56d8bf9837f
haddock-interfaces: /usr/lib/ghc-doc/haddock/async-2.0.2/async.haddock
haddock-html: /usr/share/doc/libghc-async-doc/html/
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