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| -rw-r--r-- | gnu/packages/haskell.scm | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm index d986ab534b..2d6d4cf302 100644 --- a/gnu/packages/haskell.scm +++ b/gnu/packages/haskell.scm @@ -9938,4 +9938,30 @@ search for all keys containing a point or overlapping an interval. See the example code on the home page for a quick introduction.") (license license:bsd-3))) +(define-public ghc-operational + (package + (name "ghc-operational") + (version "0.2.3.5") + (source + (origin + (method url-fetch) + (uri (string-append "https://hackage.haskell.org/package/operational/" + "operational-" version ".tar.gz")) + (sha256 + (base32 + "1x2abg2q9d26h1vzj40r6k7k3gqgappbs4g9d853vvg77837km4i")))) + (build-system haskell-build-system) + (inputs + `(("ghc-mtl" ,ghc-mtl) + ("ghc-random" ,ghc-random))) + (home-page "http://wiki.haskell.org/Operational") + (synopsis "Implementation of difficult monads made easy with operational semantics") + (description + "This library makes it easy to implement monads with tricky control +flow. This is useful for: writing web applications in a sequential style, +programming games with a uniform interface for human and AI players and easy +replay capababilities, implementing fast parser monads, designing monadic +DSLs, etc.") + (license license:bsd-3))) + ;;; haskell.scm ends here |