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-rw-r--r--gnu/packages/haskell.scm22
1 files changed, 22 insertions, 0 deletions
diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index dae6e06ff2..6619ec9042 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
+@code{Prelude} classes to ease programming with polymorphic recursion and
+reduce @code{UndecidableInstances}.")
+ (license bsd-3)))
+
(define-public ghc-data-default
(package
(name "ghc-data-default")