chore: update rust edition to 2021 (#332)

5 months ago · e4e6ac2859
parent 29def25fa9
commit e4e6ac2859
1 changed files with 1 additions and 1 deletions
--- 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