所谓的链式编程就是可以通过”点”语法,将需要执行的代码块连续的书写下去,使得代码简单易读,书写方便。
OC举例
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| - (Person * (^)(NSString *))eat { Person * (^block)(NSString *) = ^Person * (NSString * food) { NSLog(@"I am eating %@", food); return self; }; return block; }
- (instancetype)drink { NSLog(@"I am drinking"); return self; }
Person * person = [Person new]; person.eat(@"chicken").drink;
|