RAC 忽略 ignore

ignore

RACSubject *subject = [RACSubject subject];

    //忽略一些值

    //RACSignal *signal = [subject ignore:@"1"];// 忽略为1 值

    //RACSignal *signal = [[subject ignore:@"1"] ignore:@"2"];

    RACSignal *signal = [subject ignoreValues]; //忽略所有

    [signal subscribeNext:^(id  _Nullable x) {

        NSLog(@"%@",x);//忽略信号为1、2的

    }];

    //发送

    [subject sendNext:@"1"];

    [subject sendNext:@"2"];

    [subject sendNext:@"3"];