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")