diff options
Diffstat (limited to 'compiler/prelude/PrelRules.hs')
| -rw-r--r-- | compiler/prelude/PrelRules.hs | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/compiler/prelude/PrelRules.hs b/compiler/prelude/PrelRules.hs index bd18bfec63..63a8c9d48a 100644 --- a/compiler/prelude/PrelRules.hs +++ b/compiler/prelude/PrelRules.hs @@ -12,7 +12,8 @@ ToDo: (i1 + i2) only if it results in a valid Float. -} -{-# LANGUAGE CPP, RankNTypes, PatternSynonyms, ViewPatterns, RecordWildCards #-} +{-# LANGUAGE CPP, RankNTypes, PatternSynonyms, ViewPatterns, RecordWildCards, + DeriveFunctor #-} {-# OPTIONS_GHC -optc-DNON_POSIX_SOURCE #-} module PrelRules @@ -739,9 +740,7 @@ mkBasicRule op_name n_args rm newtype RuleM r = RuleM { runRuleM :: DynFlags -> InScopeEnv -> [CoreExpr] -> Maybe r } - -instance Functor RuleM where - fmap = liftM + deriving (Functor) instance Applicative RuleM where pure x = RuleM $ \_ _ _ -> Just x |