chore: update rust edition to 2021 (#332)

rust-unofficial · Dec 23, 2023 · e4e6ac2 · e4e6ac2
1 parent 29def25
commit e4e6ac2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/book.toml b/book.toml
@@ -14,7 +14,7 @@ extra-watch-dirs = ["po", "third_party"]
 after = ["links"]
 
 [rust]
-edition = "2018"
+edition = "2021"
 
 [output.html]
 curly-quotes = true