migrate to Rust 2021 edition

bsteinb · bsteinb · commit 1fb495e90394 · 2024-07-16T00:36:50.000+02:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "accurate"
 version = "0.3.1"
-edition = "2018"
+edition = "2021"
 authors = ["Benedikt Steinbusch <ben@rockshrub.de>"]
 description = "(more or less) accurate floating point algorithms"
 homepage = "https://github.com/bsteinb/accurate"
