[Advanced Rust] 1.9. Ownership (Quick Recap) - Core Ideas of Ownership, How to Implement Copy Trait, Value Drop, and Drop Order

1.9.1. The Core Idea of Ownership The core idea of Rust’s memory model is that every value has exactly one owner. In other words, only one place — usually a scope — is responsible for freeing each value. This behavior is enforced by the borrow checker. If a value is moved — for example by assigning it to a new variable, pushing it into a Vec, placing it on the heap, and so on — then the owner becomes the new location. The owner is really just a location in memory; the place where th