Removed the spurious Error constraint from MonadError e (Either e).

haskell · Jul 12, 2013 · c090cfb · c090cfb
1 parent 9cc075c
commit c090cfb
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diff --git a/Control/Monad/Error/Class.hs b/Control/Monad/Error/Class.hs
@@ -97,7 +97,7 @@ instance MonadError IOException IO where
 -- ---------------------------------------------------------------------------
 -- Our parameterizable error monad
 
-instance Error e => MonadError e (Either e) where
+instance MonadError e (Either e) where
     throwError             = Left
     Left  l `catchError` h = h l
     Right r `catchError` _ = Right r

diff --git a/mtl.cabal b/mtl.cabal
@@ -1,5 +1,5 @@
 name:         mtl
-version:      2.1.2
+version:      2.1.3
 cabal-version: >= 1.6
 license:      BSD3
 license-file: LICENSE