From 9baf4a1753ab097e574046431dfbbd488a6739b8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=98=93=E6=98=A5=E9=A3=8E?=
 <77157236+night-cruise@users.noreply.github.com>
Date: Mon, 13 Nov 2023 14:18:29 +0800
Subject: [PATCH] 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.
---
 codes/rust/chapter_stack_and_queue/stack.rs | 2 +-
 docs/chapter_stack_and_queue/stack.md       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/codes/rust/chapter_stack_and_queue/stack.rs b/codes/rust/chapter_stack_and_queue/stack.rs
index 4fd7c1e6b..be392a917 100644
--- a/codes/rust/chapter_stack_and_queue/stack.rs
+++ b/codes/rust/chapter_stack_and_queue/stack.rs
@@ -22,7 +22,7 @@ pub fn main() {
     print_util::print_array(&stack);
 
     // 访问栈顶元素
-    let peek = stack.get(stack.len() - 1).unwrap();
+    let peek = stack.last().unwrap();
     print!("\n栈顶元素 peek = {peek}");
 
     // 元素出栈
diff --git a/docs/chapter_stack_and_queue/stack.md b/docs/chapter_stack_and_queue/stack.md
index 2b6619a50..581459b8c 100755
--- 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();