Share flatMapError implementation
Share flatMapError implementation

calebd/ReactiveCocoa,Juraldinio/ReactiveCocoa,rpowelll/ReactiveCocoa,andersio/ReactiveCocoa,smilypeda/ReactiveCocoa,sandyway/ReactiveCocoa,rpowelll/ReactiveCocoa,tzongw/ReactiveCocoa,tonyarnold/ReactiveCocoa,victorlin/ReactiveCocoa,calebd/ReactiveCocoa,kevin-zqw/ReactiveCocoa,walkingsmarts/ReactiveCocoa,tonyarnold/ReactiveCocoa,victorlin/ReactiveCocoa,kevin-zqw/ReactiveCocoa,andersio/ReactiveCocoa,ohwutup/ReactiveCocoa,tzongw/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,RuiAAPeres/ReactiveCocoa,RuiAAPeres/ReactiveCocoa,ohwutup/ReactiveCocoa,Juraldinio/ReactiveCocoa,calebd/ReactiveCocoa,smilypeda/ReactiveCocoa,RuiAAPeres/ReactiveCocoa,Juraldinio/ReactiveCocoa,walkingsmarts/ReactiveCocoa,victorlin/ReactiveCocoa,sandyway/ReactiveCocoa,rpowelll/ReactiveCocoa,tzongw/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,andersio/ReactiveCocoa,smilypeda/ReactiveCocoa,kevin-zqw/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,sandyway/ReactiveCocoa,ikesyo/ReactiveCocoa,walkingsmarts/ReactiveCocoa,tonyarnold/ReactiveCocoa,ohwutup/ReactiveCocoa,ikesyo/ReactiveCocoa