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gentoo-overlay/dev-haskell/lens-family/metadata.xml

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>haskell@gentoo.org</email>
<name>Gentoo Haskell</name>
</maintainer>
<longdescription>
This package provides first class functional references.
In addition to the usual operations of getting, setting and composition, plus integration with monad state, lens families provide some unique features:
* Polymorphic updating
* Traversals
* Cast projection functions to read-only lenses
* Cast \&quot;toList\&quot; functions to read-only traversals
* Cast semantic editor combinators to modify-only traversals.
</longdescription>
</pkgmetadata>