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109/154: gnu: Add ghc-prelude-extras.


From: Paul
Subject: 109/154: gnu: Add ghc-prelude-extras.
Date: Thu, 22 Oct 2015 17:23:48 +0000

toothbrush pushed a commit to branch wip-haskell-platform-7.10.2-a
in repository guix.

commit 1a7f4632953fbcc90444f98a88f97cf7023f5c1d
Author: Paul van der Walt <address@hidden>
Date:   Thu Oct 15 15:48:09 2015 +0200

    gnu: Add ghc-prelude-extras.
    
    * gnu/packages/haskell.scm (ghc-prelude-extras): New variable.
---
 gnu/packages/haskell.scm |   22 ++++++++++++++++++++++
 1 files changed, 22 insertions(+), 0 deletions(-)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index dae6e06..6619ec9 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -244,6 +244,28 @@
 interactive environment for the functional language Haskell.")
     (license bsd-3)))
 
+(define-public ghc-prelude-extras
+  (package
+    (name "ghc-prelude-extras")
+    (version "0.4.0.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             
"http://hackage.haskell.org/package/prelude-extras/prelude-extras-";
+             version
+             ".tar.gz"))
+       (sha256
+        (base32
+         "1q7mj9hysy747vimnlyrwsk1wb2axymxixa76fwcbcnmz3fi4llp"))))
+    (build-system haskell-build-system)
+    (home-page "http://github.com/ekmett/prelude-extras";)
+    (synopsis "Higher order versions of Prelude classes")
+    (description "This library provides higher order versions of
address@hidden classes to ease programming with polymorphic recursion and
+reduce @code{UndecidableInstances}.")
+    (license bsd-3)))
+
 (define-public ghc-data-default
   (package
     (name "ghc-data-default")



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