delegate 是一种在被淘汰的设计模式么？

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iOS 4 里的新 API 里都没有 delegate 的踪迹了，全是 blocks。

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

ssword

Feb 21, 2011

设计模式该是对语言表达能力不足的一种补救措施，对java之外的语言来说很多模式本来就不能成为模式

myrual

Feb 21, 2011

我都不懂设计模式怎么办？