nest 2 (braces (fsep (map ppr (occSetElts
(occs `intersectOccSet` changed_occs)))))]
where occs = mkOccSet (map nameOccName (nameSetToList names))
Just NotEqual
| Just old_decl <- lookupOccEnv old_decl_env occ
nest 2 (braces (fsep (map ppr (occSetElts
(occs `intersectOccSet` changed_occs)))))]
where occs = mkOccSet (map nameOccName (nameSetToList names))
Just NotEqual
| Just old_decl <- lookupOccEnv old_decl_env occ