toothbrush pushed a commit to branch wip-haskell-platform-7.10.2-a in repository guix.
commit afadb0d64c46b11e191a8495f25b56ba86fae1e3 Author: Paul van der Walt <[email protected]> Date: Thu Oct 15 14:36:19 2015 +0200 gnu: Add ghc-contravariant. * gnu/packages/haskell.scm (ghc-contravariant): New variable. --- gnu/packages/haskell.scm | 27 +++++++++++++++++++++++++++ 1 files changed, 27 insertions(+), 0 deletions(-) diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm index 03b0a3a..e987577 100644 --- a/gnu/packages/haskell.scm +++ b/gnu/packages/haskell.scm @@ -2541,6 +2541,33 @@ in the @code{IO} monad, like @code{IORef}s or parts of the OpenGL state.") (description "This package provides bifunctors for Haskell.") (license bsd-3))) +(define-public ghc-contravariant + (package + (name "ghc-contravariant") + (version "1.3.3") + (source + (origin + (method url-fetch) + (uri (string-append + "http://hackage.haskell.org/package/contravariant/contravariant-"; + version + ".tar.gz")) + (sha256 + (base32 + "184hcmhsznqrkmqlc1kza9pb5p591anva574ry8wrh81vqmhwfb5")))) + (build-system haskell-build-system) + (propagated-inputs + `(("ghc-void" ,ghc-void) + ("ghc-transformers-compat" ,ghc-transformers-compat) + ("ghc-statevar" ,ghc-statevar))) + (inputs + `(("ghc-semigroups" ,ghc-semigroups))) + (home-page + "http://github.com/ekmett/contravariant/";) + (synopsis "Contravariant functors") + (description "Contravariant functors for Haskell.") + (license bsd-3))) + (define-public ghc-semigroups (package (name "ghc-semigroups")
