>>884
もっかい貼るけど公式リファレンスね
https://doc.rust-lang.org/reference/types/pointer.html

Pointer types
All pointers are explicit first-class values. They can be moved or copied, stored into data structs, and returned from functions.

References (& and &mut)
(中略)
Copying a reference is a "shallow" operation: it involves only copying the pointer itself, that is, pointers are Copy.

公式リファレンスのIntroductionね
This book is the primary reference for the Rust programming language.

the primary reference って書いてるんだから食い違ったらどっちを参照すべきかわかるよね