Use 2021 edition

phil-opp · phil-opp · commit 70fa6ca0bcaa · 2023-01-17T14:29:43.000+01:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -7,6 +7,7 @@ keywords = ["volatile"]
 description = "A simple volatile wrapper type"
 documentation = "https://docs.rs/volatile"
 repository = "https://github.com/rust-osdev/volatile"
+edition = "2021"
 
 [dependencies]
 
