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[PATCH 101/105] gnu: Add ghc-kan-extensions.


From: Paul van der Walt
Subject: [PATCH 101/105] gnu: Add ghc-kan-extensions.
Date: Thu, 15 Oct 2015 17:36:14 +0200

* gnu/packages/haskell.scm (ghc-kan-extensions): New variable.
---
 gnu/packages/haskell.scm | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index a8a8cb6..1fbd992 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -3459,6 +3459,40 @@ package for older packages.")
 given term should not exist.")
     (license bsd-3)))
 
+(define-public ghc-kan-extensions
+  (package
+    (name "ghc-kan-extensions")
+    (version "4.2.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             
"http://hackage.haskell.org/package/kan-extensions/kan-extensions-";
+             version
+             ".tar.gz"))
+       (sha256
+        (base32
+         "0iywbadpy8s3isfzlx9dlz3apaywhqq4gdbxkwygksq8pzdhwkrk"))))
+    (build-system haskell-build-system)
+    (propagated-inputs
+     `(("ghc-adjunctions" ,ghc-adjunctions)))
+    (inputs
+     `(("ghc-comonad" ,ghc-comonad)
+       ("ghc-contravariant" ,ghc-contravariant)
+       ("ghc-distributive" ,ghc-distributive)
+       ("ghc-free" ,ghc-free)
+       ("ghc-mtl" ,ghc-mtl)
+       ("ghc-semigroupoids" ,ghc-semigroupoids)
+       ("ghc-tagged" ,ghc-tagged)))
+    (home-page
+     "http://github.com/ekmett/kan-extensions/";)
+    (synopsis
+     "Kan extensions library")
+    (description
+     "Kan extensions, Kan lifts, various forms of the Yoneda lemma,
+and (co)density (co)monads.")
+    (license bsd-3)))
+
 (define-public ghc-statevar
   (package
     (name "ghc-statevar")
-- 
2.6.1




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