* gnu/packages/haskell.scm (ghc-reducers): New variable.
---
gnu/packages/haskell.scm | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index 88944dc..e865c3a 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -1443,6 +1443,36 @@ available back to GHC 7.2.")
(description "Profunctors")
(license bsd-3)))
+(define-public ghc-reducers
+ (package
+ (name "ghc-reducers")
+ (version "3.12.1")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (string-append
+ "http://hackage.haskell.org/package/reducers/reducers-";
+ version
+ ".tar.gz"))
+ (sha256
+ (base32
+ "0pkddg0s3cn759miq0nfrq7lnp3imk5sx784ihsilsbjh9kvffz4"))))
+ (build-system haskell-build-system)
+ (propagated-inputs
+ `(("ghc-semigroupoids" ,ghc-semigroupoids)))
+ (inputs
+ `(("ghc-fingertree" ,ghc-fingertree)
+ ("ghc-hashable" ,ghc-hashable)
+ ("ghc-text" ,ghc-text)
+ ("ghc-unordered-containers" ,ghc-unordered-containers)
+ ("ghc-semigroups" ,ghc-semigroups)))
+ (home-page "http://github.com/ekmett/reducers/";)
+ (synopsis
+ "Semigroups, specialized containers and a general map/reduce framework")
+ (description
+ "Semigroups, specialized containers and a general map/reduce framework.")
+ (license bsd-3)))
+
(define-public ghc-appar
(package
(name "ghc-appar")
--
2.6.1
