摘要: + (instancetype)createSark { return [self new];}// callerSark *sark = [Sark createSark];编译器改写成了形如下面的代码:+ (instancetype)createSark { id tmp = [self new]; return objc_autoreleaseReturnValue(tmp... 阅读全文
posted @ 2016-08-15 10:32 苏苏苏紫Sue 阅读(525) 评论(0) 推荐(0)