Nim can be mark/sweep collected but also has a collector called ORC that's reference counting plus a version of the Recyler algorithm for cycle collection. ORC

Nim can be mark/sweep collected but also has a collector called ORC that's reference counting plus a version of the Recyler algorithm for cycle collection. ORC turns out to be rather nice to use: https://nim-lang.org/blog/2020/12/08/introducing-orc.html https://nim-lang.org/blog/2020/12/08/introducing-orc.html