haskell-monadplus: patch to build with ghc-8.4

haskell-monadplus (1.4.2-6) unstable; urgency=medium

  * Non-maintainer upload.

  * Patch to build with ghc-8.4

 -- Dmitry Bogatov <KAction@gnu.org>  Thu, 04 Oct 2018 12:01:12 +0000

haskell-monadplus (1.4.2-5) unstable; urgency=medium

  [ Clint Adams ]

Index: haskell-monadplus/src/Control/Monad/Plus.hs

===================================================================

--- haskell-monadplus.orig/src/Control/Monad/Plus.hs

+++ haskell-monadplus/src/Control/Monad/Plus.hs

@@ -253,6 +253,9 @@ instance Alternative (Partial r) where

     empty = Partial (const Nothing)

     Partial f <|> Partial g = Partial $ \x -> f x <|> g x

+instance Semigroup (Partial a b) where

+  (<>) = mappend

+

 instance Monoid (Partial a b) where

     mempty  = mzero

     mappend = mplus

patch-build-with-ghc-8.4.patch