请问objc.io上的这段递归代码如何执行？

iOS 开发实用技术导航

NSHipster 中文版

› http://nshipster.cn/

cocos2d 开源 2D 游戏引擎

› http://www.cocos2d-iphone.org/

CocoaPods

› http://cocoapods.org/

Google Analytics for Mobile 统计解决方案

› http://code.google.com/mobile/analytics/

WWDC

› https://developer.apple.com/wwdc/

Design Guides and Resources

› https://developer.apple.com/design/

Transcripts of WWDC sessions

› http://asciiwwdc.com

Cocoa with Love

› http://cocoawithlove.com/

Cocoa Dev Central

› http://cocoadevcentral.com/

NSHipster

› http://nshipster.com/

Style Guides

› Google Objective-C Style Guide

Useful Tools and Services

› Charles Web Debugging Proxy

› Smore

This topic created in 4631 days ago, the information mentioned may be changed or developed.

特别是第一句，有人给点拨一下么
完整的code https://github.com/objcio/issue-3-auto-layout-debugging
objc.io关于布局debug部分 http://www.objc.io/issue-3/advanced-auto-layout-toolbox.html

明白了，少看一段。。。删了吧

1 replies • 1970-01-01 08:00:00 +08:00

wtl

Jan 29, 2014

注意上面load方法里这句
MethodSwizzle(self, @selector(description), @selector(objcioOverride_description));

所以第一句实际上是在调用原来[self description]的实现