参考资料
- Objective-C Automatic Reference Counting (ARC) — Clang 15.0.0git documentation (llvm.org)
- 理解 ARC 实现原理 (xietao3.com)
- Objective-C 小记(9)__strong - 简书 (jianshu.com)
- load 方法全程跟踪 - 知乎 (zhihu.com)
- RetVal/objc-runtime: A debuggable objc runtime (github.com)
- Understanding The Objective-C Runtime | iEasynote
- objc_msgSend | Apple Developer Documentation
- objc-runtime-new.m
- message.h