From eaa3088e2c689087d41abe9ce450d4f967b57b5f Mon Sep 17 00:00:00 2001
From: Federico Beffa <beffa@fbengineering.ch>
Date: Fri, 27 Mar 2015 17:51:04 +0100
Subject: [PATCH] gnu: Add ghc-syb.
* gnu/packages/haskell.scm (ghc-syb): New variable.
---
gnu/packages/haskell.scm | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index 2d9c3506696..0ae6d921afc 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -571,4 +571,35 @@ (define-public ghc-case-insensitive
to cases.")
(license bsd-3)))
+(define-public ghc-syb
+ (package
+ (name "ghc-syb")
+ (version "0.4.4")
+ (outputs '("out" "doc"))
+ (source
+ (origin
+ (method url-fetch)
+ (uri (string-append
+ "http://hackage.haskell.org/package/syb/syb-"
+ version
+ ".tar.gz"))
+ (sha256
+ (base32
+ "11sc9kmfvcn9bfxf227fgmny502z2h9xs3z0m9ak66lk0dw6f406"))))
+ (build-system haskell-build-system)
+ (inputs
+ `(("ghc-hunit" ,ghc-hunit)
+ ("ghc-mtl" ,ghc-mtl)))
+ (home-page
+ "http://www.cs.uu.nl/wiki/GenericProgramming/SYB")
+ (synopsis "Scrap Your Boilerplate")
+ (description
+ "This package contains the generics system described in the
+/Scrap Your Boilerplate/ papers (see
+<http://www.cs.uu.nl/wiki/GenericProgramming/SYB>).
+It defines the 'Data' class of types permitting folding and unfolding
+of constructor applications, instances of this class for primitive
+types, and a variety of traversals.")
+ (license bsd-3)))
+
;;; haskell.scm ends here
--
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