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| -rw-r--r-- | gnu/packages/haskell.scm | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm index 1775e8eb28..0d28fd6b7c 100644 --- a/gnu/packages/haskell.scm +++ b/gnu/packages/haskell.scm @@ -1053,6 +1053,31 @@ of functions that implement regular expression pattern matching using the same syntax and semantics as Perl 5.") (license bsd-3))) +(define-public ghc-logict + (package + (name "ghc-logict") + (version "0.6.0.2") + (source + (origin + (method url-fetch) + (uri (string-append + "http://hackage.haskell.org/package/logict/logict-" + version + ".tar.gz")) + (sha256 + (base32 + "07hnirv6snnym2r7iijlfz00b60jpy2856zvqxh989q0in7bd0hi")))) + (build-system haskell-build-system) + (inputs `(("ghc-mtl" ,ghc-mtl))) + (home-page "http://code.haskell.org/~dolio/") + (synopsis "Backtracking logic-programming monad") + (description "This library provides a continuation-based, backtracking, +logic programming monad. An adaptation of the two-continuation implementation +found in the paper \"Backtracking, Interleaving, and Terminating Monad +Transformers\" available @uref{http://okmij.org/ftp/papers/LogicT.pdf, +online}.") + (license bsd-3))) + (define-public ghc-exceptions (package (name "ghc-exceptions") |