> So fix <https://github.com/nim-lang/threading/issues/24> by using a single > lock, it doesn't imply anything for ARC/ORC's usablity in a multi-threaded > setting.
I am unsure there is any bug to begin with. 2-lock design significantly reduce contention and has been peer-reviewed and implemented in many systems since 1996 since the paper by Michael & Scott: <https://www.cs.rochester.edu/~scott/papers/1996_PODC_queues.pdf> (note there is a non-blocking queue as well in this paper, don't mix them up).
