ty: return impl Iterator from Predicate::walk_tys#55949

Merged

bors merged 1 commit intorust-lang:masterfrom ljedrz:return_impl_Iterator_from_Predicate_walk_tys

Nov 19, 2018

+58-20

Commits on Nov 15, 2018

ty: return impl Iterator from Predicate::walk_tys
ljedrz
committed