There is a new edition of the book and this is an old link.
Ownership is Rust’s most unique feature, and it enables Rust to make memory safety guarantees without needing a garbage collector.
- Each value in Rust has a variable that’s called its owner.
- There can only be one owner at a time.
- When the owner goes out of scope, the value will be dropped.
Here are the relevant sections in the new and old books: