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gnu: Add ghc-constraints-extras.

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

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
This commit is contained in:
zamfofex 2023-06-14 09:48:43 -03:00 committed by Ludovic Courtès
parent 2229302df8
commit e2fde26c92
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1 changed files with 23 additions and 0 deletions
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gnu/packages/haskell-xyz.scm
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@ -2468,6 +2468,29 @@ (define-public ghc-constraints
a vocabulary for working with them.")
(license license:bsd-2)))
(define-public ghc-constraints-extras
(package
(name "ghc-constraints-extras")
(version "0.4.0.0")
(source (origin
(method url-fetch)
(uri (hackage-uri "constraints-extras" version))
(sha256
(base32
"1irf4kd7a5h1glczbc73c3590m58azn4s68nfrjfg1h96i7mjfgn"))))
(build-system haskell-build-system)
(properties '((upstream-name . "constraints-extras")))
(inputs (list ghc-constraints ghc-aeson))
(arguments
`(#:cabal-revision ("1"
"1fdabah3ilq9yf94916ml3c3rxgcgab1jhzl4mk1zgzsw78j53qf")))
(home-page "https://github.com/obsidiansystems/constraints-extras")
(synopsis "Utility package for constraints")
(description
"Convenience functions and TH for working with constraints. See
@file{README.md} for example usage.")
(license license:bsd-3)))
(define-public ghc-contravariant
(package
(name "ghc-contravariant")