@@ -12635,6 +12635,28 @@ (define-public ghc-transformers-compat
but also need those types.")
(license license:bsd-3)))
+(define-public ghc-exception-transformers
+ (package
+ (name "ghc-exception-transformers")
+ (version "0.4.0.11")
+ (source (origin
+ (method url-fetch)
+ (uri (hackage-uri "exception-transformers" version))
+ (sha256
+ (base32
+ "1zmd2s40m86c9mhv32l5bvvf5r52cgpxvb4v5phyc3pjwlr7m8g5"))))
+ (build-system haskell-build-system)
+ (properties '((upstream-name . "exception-transformers")))
+ (inputs (list ghc-fail ghc-transformers-compat))
+ (native-inputs (list ghc-hunit ghc-test-framework ghc-test-framework-hunit))
+ (home-page "http://hackage.haskell.org/package/exception-transformers")
+ (synopsis "Type classes and monads for unchecked extensible exceptions.")
+ (description
+ "This package provides type classes, a monad and a monad transformer that support
+unchecked extensible exceptions as well as asynchronous exceptions. It is
+compatible with the transformers package.")
+ (license license:bsd-3)))
+
(define-public ghc-tree-diff
(package
(name "ghc-tree-diff")