Avi Mastov avi-midtown
dustin-graham
/ LifterDeviceConnector.m
Created
April 9, 2014 19:35
Combining to signals created from delegate callbacks where one is a success message and another is a failure. convert the failure into an error signal
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| RACSignal *connectionSignal = [self rac_signalForSelector:@selector(centralManager:didConnectPeripheral:) fromProtocol:@protocol(CBCentralManagerDelegate)]; | |
| RACSignal *connectionFailureSignal = [[self rac_signalForSelector:@selector(centralManager:didFailToConnectPeripheral:error:) fromProtocol:@protocol(CBCentralManagerDelegate)] flattenMap:^RACStream *(RACTuple *tuple) { | |
| return [RACSignal error:tuple.third]; | |
| }]; | |
| RACSignal *completeConnectionSignal = [[RACSignal merge:@[connectionSignal,connectionFailureSignal]] catch:^RACSignal *(NSError *error) { | |
| //handle the connection failure? | |
| }]; |