From 84ab4b38cd4b02870be7f6d4ad1d1ff149251ab1 Mon Sep 17 00:00:00 2001 From: Marcello Lamonaca Date: Sun, 21 Nov 2021 19:14:10 +0100 Subject: [PATCH] --amend --- Rust/Rust.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Rust/Rust.md b/Rust/Rust.md index 77b3d06..bab1e83 100644 --- a/Rust/Rust.md +++ b/Rust/Rust.md @@ -1181,6 +1181,11 @@ Just like the compile-time borrowing rules, `RefCell` allows to have many imm A common way to use `RefCell` is in combination with `Rc`. `Rc` allows to have multiple owners of some data, but it only gives immutable access to that data. By having a `Rc` that holds a `RefCell`, its' possible to get a value that can have multiple owners and that can mutate. +The standard library has other types that provide interior mutability: + +- `Cell` which is similar except that instead of giving references to the inner value, the value is copied in and out of the `Cell`. +- `Mutex` which offers interior mutability that's safe to use across threads; + ### Reference Cycles Can Leak Memory Rust's memory safety guarantees make it difficult, but not impossible, to accidentally create memory that is never cleaned up (known as a memory leak).