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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<herd>haskell</herd>
<longdescription>
An abstract interface to highly-parameterizable queues/deques.
Background: There exists a feature space for queues that extends between:
* simple, single-ended, non-concurrent, bounded queues
* double-ended, threadsafe, growable queues
... with important points inbetween (such as
the queues used for work-stealing).
This package includes an interface for Deques that allows the
programmer to use a single API for all of the above, while using the
type-system to select an efficient implementation given the
requirements (using type families).
This package also includes a simple reference implementation based
on 'IORef' and "Data.Sequence".
</longdescription>
<use>
<flag name="usecas"> Enable the reference implementation to use hardware compare-and-swap.</flag>
</use>
<upstream>
<remote-id type="github">rrnewton/haskell-lockfree</remote-id>
</upstream>
</pkgmetadata>
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