FlexibleContexts extension is required 7.10. Add this to play nice with 7.10.
authorNing Wang <email@ningwang.org>
Wed, 6 May 2015 02:36:01 +0000 (19:36 -0700)
committerNing Wang <email@ningwang.org>
Wed, 6 May 2015 02:36:01 +0000 (19:36 -0700)
testing/Eval.hs

index 529bc4a..9eaca6e 100644 (file)
@@ -1,5 +1,5 @@
 {-# OPTIONS_GHC -Wall -fno-warn-name-shadowing #-}
-{-# LANGUAGE RankNTypes, ScopedTypeVariables, GADTs, EmptyDataDecls, PatternGuards, TypeFamilies, NamedFieldPuns , FlexibleInstances, MultiParamTypeClasses, TypeSynonymInstances #-}
+{-# LANGUAGE RankNTypes, ScopedTypeVariables, GADTs, EmptyDataDecls, PatternGuards, TypeFamilies, NamedFieldPuns , FlexibleInstances, MultiParamTypeClasses, TypeSynonymInstances,  FlexibleContexts #-}
 
 module Eval (evalProg, ErrorM) where