* gnu/packages/haskell.scm (ghc-void): New variable.
---
gnu/packages/haskell.scm | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index 6de12ce..1ef23e0 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -2511,6 +2511,33 @@ packages provides alternatives which use the unbounded
Integer type.")
"Natural numbers for Haskell.")
(license bsd-3)))
+(define-public ghc-void
+ (package
+ (name "ghc-void")
+ (version "0.7.1")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (string-append
+ "http://hackage.haskell.org/package/void/void-";
+ version
+ ".tar.gz"))
+ (sha256
+ (base32
+ "1x15x2axz84ndw2bf60vjqljhrb0w95lddaljsxrl0hcd29zvw69"))))
+ (build-system haskell-build-system)
+ (propagated-inputs
+ `(("ghc-semigroups" ,ghc-semigroups)))
+ (inputs
+ `(("ghc-hashable" ,ghc-hashable)))
+ (home-page "http://github.com/ekmett/void";)
+ (synopsis
+ "A Haskell 98 logically uninhabited data type")
+ (description
+ "A Haskell 98 logically uninhabited data type, used to indicate that a
+given term should not exist.")
+ (license bsd-3)))
+
(define-public ghc-semigroups
(package
(name "ghc-semigroups")
--
2.6.1
