Move to edition 2021 altogether

CHANGELOG.md

@@ -16,6 +16,10 @@ adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 - Simple benchmark to track the rough performance penalty incurred by dependency tracking.
 
+### Changed
+
+- The project now targets edition 2021
+
 ## [0.1.2] - 2021-05-27
 
 ### Added

Cargo.toml

@@ -2,7 +2,7 @@
 name = "tracing-mutex"
 version = "0.1.2"
 authors = ["Bert Peters <bert@bertptrs.nl>"]
-edition = "2018"
+edition = "2021"
 license = "MIT OR Apache-2.0"
 documentation = "https://docs.rs/tracing-mutex"
 categories = ["concurrency", "development-tools::debugging"]

src/graph.rs

@@ -115,7 +115,7 @@ where
 
         if lb < ub {
             // This edge might introduce a cycle, need to recompute the topological sort
-            let mut visited = IntoIterator::into_iter([x, y]).collect();
+            let mut visited = [x, y].into_iter().collect();
             let mut delta_f = Vec::new();
             let mut delta_b = Vec::new();