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gnu: Add ghc-contravariant-extras.

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* gnu/packages/haskell.scm (ghc-contravariant-extras): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
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rsiddharth 2017-10-18 03:07:38 +00:00 committed by Ludovic Courtès
parent e329bacb85
commit 4562c8c894
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1 changed files with 23 additions and 0 deletions
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gnu/packages/haskell.scm
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@ -9491,4 +9491,27 @@ (define-public ghc-tuple-th
statically known size.")
(license license:bsd-3)))
(define-public ghc-contravariant-extras
(package
(name "ghc-contravariant-extras")
(version "0.3.3.1")
(source
(origin
(method url-fetch)
(uri (string-append "https://hackage.haskell.org/package/"
"contravariant-extras-" version "/"
"contravariant-extras-" version ".tar.gz"))
(sha256
(base32
"1mbrgjybdx8fjdck4ldwi8955w4qnmm0ql56zix7dyn0s7s9spgk"))))
(build-system haskell-build-system)
(inputs `(("ghc-tuple-th" ,ghc-tuple-th)
("ghc-contravariant" ,ghc-contravariant)
("ghc-base-prelude",ghc-base-prelude)))
(home-page "https://github.com/nikita-volkov/contravariant-extras")
(synopsis "Extras for the @code{ghc-contravariant} Haskell package")
(description "This Haskell package provides extras for the
@code{ghc-contravariant} package.")
(license license:expat)))
;;; haskell.scm ends here