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-rw-r--r--gnu/packages/haskell.scm27
1 files changed, 27 insertions, 0 deletions
diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index e0fc9f4aff..9570e68454 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -2406,6 +2406,33 @@ unbounded @code{Integer} type.")
(description "This library provides the 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
+ "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")