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ghc-async - 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').

Packages

- Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild

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