Migrate to Rust 2021

taiki-e · taiki-e · commit b03dea93a13c · 2025-07-20T00:47:00.000+09:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "async-signal"
 version = "0.2.11"
-edition = "2018"
+edition = "2021"
 authors = ["John Nunley <dev@notgull.net>"]
 rust-version = "1.63"
 description = "Async signal handling"
