Add unreachable comments.

2022-07-23 21:00:58 +08:00
parent f85ad28e93
commit e8d6e3f57d
5 changed files with 8 additions and 8 deletions
--- a/src/packages/iter_basic.rs
+++ b/src/packages/iter_basic.rs
@@ -105,7 +105,7 @@ impl<T: Debug + Copy + PartialOrd> Iterator for StepRange<T> {
                self.dir = 0;
            }
        } else {
-            unreachable!();
+            unreachable!("`dir` != 0");
        }

        Some(v)