guix/gnu/packages/haskell-xyz.scm

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019 Robert Vollmert <rob@vllmrt.net>
;;;
;;; This file is part of GNU Guix.
;;;
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;;; under the terms of the GNU General Public License as published by
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;;; your option) any later version.
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu packages haskell-xyz)
  #:use-module (gnu packages)
  #:use-module (guix build-system haskell)
  #:use-module (guix download)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix packages))

(define-public ghc-prettyclass
  (package
    (name "ghc-prettyclass")
    (version "1.0.0.0")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "https://hackage.haskell.org/package/"
                           "prettyclass/prettyclass-" version ".tar.gz"))
       (sha256
        (base32
         "11l9ajci7nh1r547hx8hgxrhq8mh5gdq30pdf845wvilg9p48dz5"))))
    (build-system haskell-build-system)
    (home-page "http://hackage.haskell.org/package/prettyclass")
    (synopsis "Pretty printing class similar to Show")
    (description "This package provides a pretty printing class similar
to @code{Show}, based on the HughesPJ pretty printing library.  It
provides the pretty printing class and instances for the Prelude
types.")
    (license license:bsd-3)))