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Diffstat (limited to 'compiler/GHC/Core/Rules.hs')
| -rw-r--r-- | compiler/GHC/Core/Rules.hs | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/compiler/GHC/Core/Rules.hs b/compiler/GHC/Core/Rules.hs index 2eabc1db0c..14bcd4564f 100644 --- a/compiler/GHC/Core/Rules.hs +++ b/compiler/GHC/Core/Rules.hs @@ -387,8 +387,10 @@ pprRuleBase rules = pprUFM rules $ \rss -> -- successful. lookupRule :: RuleOpts -> InScopeEnv -> (Activation -> Bool) -- When rule is active - -> Id -> [CoreExpr] - -> [CoreRule] -> Maybe (CoreRule, CoreExpr) + -> Id -- Function head + -> [CoreExpr] -- Args + -> [CoreRule] -- Rules + -> Maybe (CoreRule, CoreExpr) -- See Note [Extra args in the target] -- See comments on matchRule |