摘要:一.消息转发流程当向Objective-C对象发送一个消息,但runtime在当前类及父类中找不到此selector对应的方法时,消息转发(message forwarding)流程开始启动。动态方法解析(Dynamic Method Resolution或Lazy method resolutio...
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posted @ 2013-11-07 11:16
posted @ 2013-11-07 11:16