From 1e473fb8dc47c62a8daac39ac45638cae19b49ee Mon Sep 17 00:00:00 2001 From: Paul van der Walt Date: Thu, 15 Oct 2015 15:48:09 +0200 Subject: gnu: Add ghc-prelude-extras. * gnu/packages/haskell.scm (ghc-prelude-extras): New variable. --- gnu/packages/haskell.scm | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) 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") -- cgit v1.2.3