Re:Why and How I Switched from Python to Erlang
by steveklabnik on Thursday July 07, 2016 @07:26PM
(#12052736)
https://crates.io/crates/mioco
https://crates.io/crates/coroutine
I don't know much about the details, as I haven't used them myself, I just know they exist.
Same question for Ruby :-)