summary |
shortlog |
log |
commit | commitdiff |
tree
raw |
patch |
inline | side by side (from parent 1:
9b8b019)
Wed Jul 26 08:22:50 EDT 2006 simonpj@microsoft.com
improve inst_env preds
= [ eqn | group <- equivClassesByUniq (predTyUnique . fst) (filterEqPreds preds),
eqn <- checkGroup inst_env group ]
improve inst_env preds
= [ eqn | group <- equivClassesByUniq (predTyUnique . fst) (filterEqPreds preds),
eqn <- checkGroup inst_env group ]
- where filterEqPreds = filter (not . isEqPred . fst)
+ where
+ filterEqPreds = filter (not . isEqPred . fst)
+ -- Equality predicates don't have uniques
+ -- In any case, improvement *generates*, rather than
+ -- *consumes*, equality constraints
----------
checkGroup :: (Class -> [Instance])
----------
checkGroup :: (Class -> [Instance])