Apply keyword_idents_2024

Author: ehuss

Diff for: examples/hex.rs

@@ -329,7 +329,7 @@ mod benches {
     ) {
         let mut rng = rand::thread_rng();
         let input = std::iter::repeat(())
-            .map(|()| rng.gen::<u8>())
+            .map(|()| rng.r#gen::<u8>())
             .take(len)
             .collect::<Vec<_>>();
         let mut dst = vec![0; input.len() * 2];