* gnu/packages/haskell.scm (ghc-data-default-class): New variable.
---
gnu/packages/haskell.scm | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index b7a889e..d0f74ad 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -270,6 +270,24 @@ Haskell software by automating the fetching,
configuration, compilation and
installation of Haskell libraries and programs.")
(license bsd-3)))
+(define-public ghc-data-default-class
+ (package
+ (name "ghc-data-default-class")
+ (version "0.0.1")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (string-append
+ "http://hackage.haskell.org/package/data-default-class/";
+ "data-default-class-" version ".tar.gz"))
+ (sha256
+ (base32 "0ccgr3jllinchqhw3lsn73ic6axk4196if5274rr1rghls0fxj5d"))))
+ (build-system haskell-build-system)
+ (home-page "http://hackage.haskell.org/package/data-default-class";)
+ (synopsis "A class for types with a default value")
+ (description "Defines a class for types with a default values.")
+ (license bsd-3)))
+
(define-public ghc-mtl
(package
(name "ghc-mtl")
--
2.4.3
