通过Reactivecocoa绑定UISwitch到NSUserDefault

RACChannelTerminal *switchTerminal = self.someSwitchrac_newOnChannel; defaultsTerminal [[NSUserDefaults standardUserDefaults] rac_channelTerminalForKey:@"someBoolKey"];[switchTerminal subscribe:defaultsTerminaldefaultsTerminal subscribeswitchTerminal];

参考:

http://stackoverflow.com/questions/23107136/bind-uiswitchs-state-to-nsuserdefaults-with-reactivecocoa

（编辑：李大同）

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