Re:GC Fun at Twitch
by jashmatthews on Saturday November 16, 2019 @07:47AM
(#21552401)
IIUC Rust stack overflows are actually checked, hit a guard page, and unwind the stack https://github.com/rust-lang/compiler-builtins/blob/master/s...
A cactusref is owned by a single thread so there's no STW issue, but you also can't share them mutably between threads like structures available in some GCed languages.
Two common problems in most reference counting implementations.