From 209dd8ee144e40685278dce07883b41d1c1196ff Mon Sep 17 00:00:00 2001
From: Ruby Lazuli <nipkraps@gmail.com>
Date: Sat, 22 May 2021 08:22:42 -0500
Subject: [PATCH] Allow `--edition 2021` to be passed to rustfmt

This was added to Configurations.md in #4618, but the option wasn't
actually made available. This should let people who are using Rust 2021
on nightly rustc run `cargo fmt` again.
---
 src/bin/main.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/bin/main.rs b/src/bin/main.rs
index 56b07222212..92fe8b9c514 100644
--- a/src/bin/main.rs
+++ b/src/bin/main.rs
@@ -689,6 +689,7 @@ fn edition_from_edition_str(edition_str: &str) -> Result<Edition> {
     match edition_str {
         "2015" => Ok(Edition::Edition2015),
         "2018" => Ok(Edition::Edition2018),
+        "2021" => Ok(Edition::Edition2021),
         _ => Err(format_err!("Invalid value for `--edition`")),
     }
 }