Use Vec.last() method to access the top item of stack. (#942)

* Use Vec.last() method to access the top item of stack. * Use Vec.last() method to access the top item of stack.
2025-11-02 12:58:42 +08:00 · 2023-11-13 14:18:29 +08:00
parent 2b0cf6f9ab
commit 9baf4a1753
2 changed files with 2 additions and 2 deletions
--- a/docs/chapter_stack_and_queue/stack.md
+++ b/docs/chapter_stack_and_queue/stack.md
@ -278,7 +278,7 @@
    stack.push(4);

    /* 访问栈顶元素 */
-    let top = stack[stack.len() - 1];
+    let top = stack.last().unwrap();

    /* 元素出栈 */
    let pop = stack.pop().unwrap();