tree 9107bdd1970daabb41945fae0b24f15c2936563e
parent e2492b716370dab5216f0123b3ed1cac78f8304e
author Nicholas Nethercote <nnethercote@mozilla.com> 1568601796 +1000
committer Nicholas Nethercote <nnethercote@mozilla.com> 1568601796 +1000

Use iterators in `error_at` and `process_cycle`.

This makes the code a little faster, presumably because bounds checks
aren't needed on `nodes` accesses. It requires making `scratch` a
`RefCell`, which is not unreasonable.