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authorPaul van der Walt <paul@denknerd.org>2015-10-15 15:34:58 +0200
committerPaul van der Walt <paul@denknerd.org>2015-10-23 09:10:52 +0200
commit40b56b52914bd53e714d401844f96d8b75881498 (patch)
treecc6df5fa21b2ada0384dd31bb57059e71aa85a24 /gnu
parentfa4f5024bcc42514de005d92b138ed7f2d25e5a8 (diff)
downloadguix-40b56b52914bd53e714d401844f96d8b75881498.tar.gz
gnu: Add ghc-comonad.
* gnu/packages/haskell.scm (ghc-comonad): New variable.
Diffstat (limited to 'gnu')
-rw-r--r--gnu/packages/haskell.scm30
1 files changed, 30 insertions, 0 deletions
diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index 939d2e79c3..dc53fb989a 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -1267,6 +1267,36 @@ similar to @code{binary}, that introduces an @code{isolate} primitive for
 parser isolation, and labeled blocks for better error messages.")
     (license bsd-3)))
 
+(define-public ghc-comonad
+  (package
+    (name "ghc-comonad")
+    (version "4.2.7.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "http://hackage.haskell.org/package/comonad/comonad-"
+             version
+             ".tar.gz"))
+       (sha256
+        (base32
+         "0arvbaxgkawzdp38hh53akkahjg2aa3kj2b4ns0ni8a5ylg2cqmp"))))
+    (build-system haskell-build-system)
+    (propagated-inputs
+     `(("ghc-distributive" ,ghc-distributive)
+       ("ghc-transformers-compat" ,ghc-transformers-compat)
+       ("ghc-contravariant" ,ghc-contravariant)))
+    (arguments `(#:tests? #f)) ; FIXME: Test fails with "cannot satisfy
+                               ; -package contravariant-1.3.3"
+    (inputs
+     `(("ghc-semigroups" ,ghc-semigroups)
+       ("ghc-tagged" ,ghc-tagged)
+       ("ghc-contravariant" ,ghc-contravariant)))
+    (home-page "http://github.com/ekmett/comonad/")
+    (synopsis "Comonads for Haskell")
+    (description "This library provides @code{Comonad}s for Haskell.")
+    (license bsd-3)))
+
 (define-public ghc-appar
   (package
     (name "ghc-appar")