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.
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易春风 2023-11-13 14:18:29 +08:00 committed by GitHub
parent 2b0cf6f9ab
commit 9baf4a1753
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2 changed files with 2 additions and 2 deletions

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@ -22,7 +22,7 @@ pub fn main() {
print_util::print_array(&stack); print_util::print_array(&stack);
// 访问栈顶元素 // 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}"); print!("\n栈顶元素 peek = {peek}");
// 元素出栈 // 元素出栈

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@ -278,7 +278,7 @@
stack.push(4); stack.push(4);
/* 访问栈顶元素 */ /* 访问栈顶元素 */
let top = stack[stack.len() - 1]; let top = stack.last().unwrap();
/* 元素出栈 */ /* 元素出栈 */
let pop = stack.pop().unwrap(); let pop = stack.pop().unwrap();