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-rw-r--r--gnu/packages/haskell.scm20
1 files changed, 20 insertions, 0 deletions
diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index 70853851c8..7ed503ab92 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -3994,6 +3994,26 @@ when used with GHC versions which already provide the
@code{Control.Monad.Fail} module.")
(license license:bsd-3)))
+(define-public ghc-monadplus
+ (package
+ (name "ghc-monadplus")
+ (version "1.4.2")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (string-append "https://hackage.haskell.org/package/monadplus"
+ "/monadplus-" version ".tar.gz"))
+ (sha256
+ (base32 "15b5320wdpmdp5slpphnc1x4rhjch3igw245dp2jxbqyvchdavin"))))
+ (build-system haskell-build-system)
+ (home-page "https://hackage.haskell.org/package/monadplus")
+ (synopsis "Filtering and folding over arbitrary MonadPlus instances")
+ (description
+ "This package generalizes many common stream operations such as
+@code{filter}, @code{catMaybes} etc, enabling filtering and folding over
+arbitrary @code{MonadPlus} instances.")
+ (license license:bsd-3)))
+
(define-public ghc-byteorder
(package
(name "ghc-byteorder")