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38 lines
1.3 KiB
38 lines
1.3 KiB
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
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<pkgmetadata>
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<maintainer type="project">
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<email>haskell@gentoo.org</email>
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<name>Gentoo Haskell</name>
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</maintainer>
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<longdescription>
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A library to support the definition of generic functions.
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Datatypes are viewed in a uniform, structured way:
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the choice between constructors is represented using an n-ary
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sum, and the arguments of each constructor are represented using
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an n-ary product.
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The module "Generics.SOP" is the main module of this library and contains
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more detailed documentation.
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Examples of using this library are provided by the following
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packages:
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* @<https://hackage.haskell.org/package/basic-sop basic-sop>@ basic examples,
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* @<https://hackage.haskell.org/package/pretty-sop pretty-sop>@ generic pretty printing,
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* @<https://hackage.haskell.org/package/lens-sop lens-sop>@ generically computed lenses,
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* @<https://hackage.haskell.org/package/json-sop json-sop>@ generic JSON conversions.
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A detailed description of the ideas behind this library is provided by
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the paper:
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* Edsko de Vries and Andres Löh.
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<http://www.andres-loeh.de/TrueSumsOfProducts True Sums of Products>.
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Workshop on Generic Programming (WGP) 2014.
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</longdescription>
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</pkgmetadata>
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