From c6e4a51d59b761dd3b3f79436485613e630856e6 Mon Sep 17 00:00:00 2001
From: LucasFA <23667494+LucasFA@users.noreply.github.com>
Date: Sun, 14 May 2023 20:43:58 +0200
Subject: [PATCH] Update to 2021 edition

---
 book.toml    | 2 +-
 src/intro.md | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/book.toml b/book.toml
index a2011c6..693aca4 100644
--- a/book.toml
+++ b/book.toml
@@ -32,4 +32,4 @@ git-repository-url = "https://github.com/rust-lang/nomicon"
 "./arc.html" = "./arc-mutex/arc.html"
 
 [rust]
-edition = "2018"
+edition = "2021"
diff --git a/src/intro.md b/src/intro.md
index 4e77ffa..323c0ce 100644
--- a/src/intro.md
+++ b/src/intro.md
@@ -39,7 +39,7 @@ Topics that are within the scope of this book include: the meaning of (un)safety
 
 The Rustonomicon is not a place to exhaustively describe the semantics and guarantees of every single API in the standard library, nor is it a place to exhaustively describe every feature of Rust.
 
-Unless otherwise noted, Rust code in this book uses the Rust 2018 edition.
+Unless otherwise noted, Rust code in this book uses the Rust 2021 edition.
 
 [trpl]: ../book/index.html
 [ref]: ../reference/index.html