> What's more, according to that book, there simply isn't a good way to implement this structure in safe Rust. The way to go is to venture into unsafe Rust. No

> What's more, according to that book, there simply isn't a good way to implement this structure in safe Rust. The way to go is to venture into unsafe Rust. Noooo, you don't want to do that. Just give up on circular references, doubly-linked lists, and so on. Use different data structures and work around the [perceived] downsides of not having the data structures you're used to in Lisp, C, ECMAScript, ... You'll find it pays off. See this HN post for more: https://news.ycombinator.com/item?id=18098239 https://news.ycombinator.com/item?id=18098239