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Diffstat (limited to 'dev-haskell/chimera/metadata.xml')
-rw-r--r--dev-haskell/chimera/metadata.xml37
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diff --git a/dev-haskell/chimera/metadata.xml b/dev-haskell/chimera/metadata.xml
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--- a/dev-haskell/chimera/metadata.xml
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@@ -1,37 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
-<pkgmetadata>
- <maintainer type="project">
- <email>haskell@gentoo.org</email>
- <name>Gentoo Haskell</name>
- </maintainer>
- <use>
- <flag name="representable">Define Representable instance from adjunctions package</flag>
- </use>
- <longdescription>
- There are plenty of memoizing libraries on Hackage, but they
- usually fall into two categories:
-
- * Store cache as a flat array, enabling us
- to obtain cached values in O(1) time, which is nice.
- The drawback is that one must specify the size
- of the array beforehand,
- limiting an interval of inputs,
- and actually allocate it at once.
- * Store cache as a lazy binary tree.
- Thanks to laziness, one can freely use the full range of inputs.
- The drawback is that obtaining values from a tree
- takes logarithmic time and is unfriendly to CPU cache,
- which kinda defeats the purpose.
-
- This package intends to tackle both issues,
- providing a data type 'Chimera' for
- lazy infinite compact streams with cache-friendly O(1) indexing.
-
- Additional features include:
-
- * memoization of recursive functions and recurrent sequences,
- * memoization of functions of several, possibly signed arguments,
- * efficient memoization of boolean predicates.
- </longdescription>
-</pkgmetadata>