update to rust 2021 edition

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lonnen · Jan 11, 2023 · deafa53 · deafa53
1 parent fdc9eff
commit deafa53
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Cargo.toml b/Cargo.toml
@@ -5,7 +5,7 @@ description = "A mset / multiset / bag implementation"
 keywords = ["mset", "multiset", "bag", "counter", "collection"]
 categories = ["data-structures", "mathematics"]
 authors = ["lonnen <chris.lonnen@gmail.com>"]
-edition = "2018"
+edition = "2021"
 license = "MIT/Apache-2.0"
 repository = "https://github.com/lonnen/mset"
 readme = "README.md"