ReactiveCocoa(RAC) Sample Code #1-Primary class
- RACSignal
- RACSubject
- RACReplaySubject
#2-Common usage
- replace Delegate
- replace KVO
- observe Event
- replace Notification
- observe TextField
- resolve Multiple Requests
#3-Common macro
- RAC(TARGET, [KEYPATH, [NIL_VALUE]])
- RACObserve(TARGET, KEYPATH)
- @weakify(Obj) & @strongify(Obj)