From 556af1624c025e9b0ff6bea8fb5611edbc3a7968 Mon Sep 17 00:00:00 2001
From: rongyi <rongyi@onchain.com>
Date: Wed, 27 Mar 2024 01:29:43 +0800
Subject: [PATCH] No need to match expand pop, just return it (#1154)

---
 codes/rust/chapter_stack_and_queue/array_stack.rs | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/codes/rust/chapter_stack_and_queue/array_stack.rs b/codes/rust/chapter_stack_and_queue/array_stack.rs
index ca136c563..4aab6dc2b 100644
--- a/codes/rust/chapter_stack_and_queue/array_stack.rs
+++ b/codes/rust/chapter_stack_and_queue/array_stack.rs
@@ -36,10 +36,7 @@ impl<T> ArrayStack<T> {
 
     /* 出栈 */
     fn pop(&mut self) -> Option<T> {
-        match self.stack.pop() {
-            Some(num) => Some(num),
-            None => None,
-        }
+        self.stack.pop()
     }
 
     /* 访问栈顶元素 */