* gnu/packages/haskell.scm (ghc-statevar): New variable.
---
gnu/packages/haskell.scm | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index 2a14642..3da23eb 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -2538,6 +2538,32 @@ packages provides alternatives which use the unbounded
Integer type.")
given term should not exist.")
(license bsd-3)))
+(define-public ghc-statevar
+ (package
+ (name "ghc-statevar")
+ (version "1.1.0.1")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (string-append
+ "http://hackage.haskell.org/package/StateVar/StateVar-"
+ version
+ ".tar.gz"))
+ (sha256
+ (base32
+ "1ap51cvwq61xckx5hw44l82ihbxvsq3263xr5hqg42c5qp67kbhf"))))
+ (build-system haskell-build-system)
+ (propagated-inputs
+ `(("ghc-stm" ,ghc-stm)))
+ (home-page
+ "http://hackage.haskell.org/package/StateVar")
+ (synopsis
+ "State variables for Haskell")
+ (description
+ "State variables, which are references in the IO monad, like IORefs or
+parts of the OpenGL state.")
+ (license bsd-3)))
+
(define-public ghc-bifunctors
(package
(name "ghc-bifunctors")
--
2.6.1