From 0e410ec0977774b4b9165ea1568904642f5807af Mon Sep 17 00:00:00 2001
From: Unconnectable <scpr7@outlook.com>
Date: Thu, 29 Jan 2026 19:45:31 +0800
Subject: [PATCH] doc: replace deprecated compare_and_swap with
 compare_exchange

---
 src/atomics.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/atomics.md b/src/atomics.md
index 3fd873e9..a4809424 100644
--- a/src/atomics.md
+++ b/src/atomics.md
@@ -206,7 +206,7 @@ fn main() {
     // ... distribute lock to threads somehow ...
 
     // Try to acquire the lock by setting it to true
-    while lock.compare_and_swap(false, true, Ordering::Acquire) { }
+    while lock.compare_exchange(false, true, Ordering::Acquire, Ordering::Relaxed).is_err() { }
     // broke out of the loop, so we successfully acquired the lock!
 
     // ... scary data accesses ...