diff options
| -rw-r--r-- | gnu/packages/haskell.scm | 24 |
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") |