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2026-01-02 10:28:57 +08:00
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Chapter1 - iOS/1.121.md
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@@ -142,7 +142,7 @@ weak、unowned 都能解决循环引用问题。但是 weak 由于当对象释
- 初始化赋值后再也不会变为 nil 的对象，推荐使用 unowned
## 闭包的循环引用
<img src="./../assets/SwiftBlockRetainCycle.png" style="zoom:40%">
<img src="https://raw.githubusercontent.com/FantasticLBP/knowledge-kit/master/assets/SwiftBlockRetainCycle.png" style="zoom:40%">
上面的代码会发生循环引用，会导致局部变量的 p 无法释放（看不到 Person 的 deinit 方法调用）
解法：