Not OP, but I recently wrote about solving this problem in my interpreter[1]. Essentially using a combination of LCell (compile time interior mutability) and ta

Not OP, but I recently wrote about solving this problem in my interpreter[1]. Essentially using a combination of LCell (compile time interior mutability) and taking a shared reference to the GC as you suggest. [1] https://coredumped.dev/2022/04/11/implementing-a-safe-garbage-collector-in-rust/ https://coredumped.dev/2022/04/11/implementing-a-safe-garbag...