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SunXiaoShan/SignalExample2.m

Created July 7, 2017 08:44
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SignalExample2
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SignalExample2.m
// create a signal
RACSubject *subject = [RACSubject subject];
// subscribe notification
[subject subscribeNext:^(id _Nullable x) {
NSLog(@"content 2：%@", x);
}];
// send message
[subject sendNext:@"message 2"];
// output
// content 2：message 2
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