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authorAlex Vong <alexvong1995@gmail.com>2017-08-07 15:13:42 +0800
committerRicardo Wurmus <rekado@elephly.net>2017-08-16 17:07:39 +0200
commit005a08e3dc41d28ecf5a11a8ca479044b82c4a6a (patch)
treeb1b819d78da5bf9722c73ce6043810ca4a0ff7b5 /gnu/packages/haskell.scm
parent1eced2a7a8a242b1aa0c8343ff6fcd43d2f457cb (diff)
downloadguix-005a08e3dc41d28ecf5a11a8ca479044b82c4a6a.tar
guix-005a08e3dc41d28ecf5a11a8ca479044b82c4a6a.tar.gz
gnu: Add ghc-fail.
* gnu/packages/haskell.scm (ghc-fail): New variable. Signed-off-by: Ricardo Wurmus <rekado@elephly.net>
Diffstat (limited to 'gnu/packages/haskell.scm')
-rw-r--r--gnu/packages/haskell.scm24
1 files changed, 24 insertions, 0 deletions
diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index 552c57ddc5..70853851c8 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -3970,6 +3970,30 @@ a subset of @code{MonadBase} into which generic control operations such as
@code{catch} can be lifted from @code{IO} or any other base monad.")
(license license:bsd-3)))
+(define-public ghc-fail
+ (package
+ (name "ghc-fail")
+ (version "4.9.0.0")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (string-append "https://hackage.haskell.org/package/fail/fail-"
+ version ".tar.gz"))
+ (sha256
+ (base32 "18nlj6xvnggy61gwbyrpmvbdkq928wv0wx2zcsljb52kbhddnp3d"))))
+ (build-system haskell-build-system)
+ (home-page "https://prime.haskell.org/wiki/Libraries/Proposals/MonadFail")
+ (synopsis "Forward-compatible MonadFail class")
+ (description
+ "This package contains the @code{Control.Monad.Fail} module providing the
+@uref{https://prime.haskell.org/wiki/Libraries/Proposals/MonadFail, MonadFail}
+class that became available in
+@uref{https://hackage.haskell.org/package/base-4.9.0.0, base-4.9.0.0} for
+older @code{base} package versions. This package turns into an empty package
+when used with GHC versions which already provide the
+@code{Control.Monad.Fail} module.")
+ (license license:bsd-3)))
+
(define-public ghc-byteorder
(package
(name "ghc-byteorder")