Deal with unused warning
Deal with unused warning

The compiler said “Result of call to 'map' is unused”.

llb1119/test,paulyoung/ReactiveCocoa,yonekawa/ReactiveCocoa,RuiAAPeres/ReactiveCocoa,tzongw/ReactiveCocoa,ohwutup/ReactiveCocoa,smilypeda/ReactiveCocoa,kevin-zqw/ReactiveCocoa,Juraldinio/ReactiveCocoa,kevin-zqw/ReactiveCocoa,ohwutup/ReactiveCocoa,smilypeda/ReactiveCocoa,RuiAAPeres/ReactiveCocoa,Farteen/ReactiveCocoa,rpowelll/ReactiveCocoa,RuiAAPeres/ReactiveCocoa,llb1119/test,walkingsmarts/ReactiveCocoa,yonekawa/ReactiveCocoa,paulyoung/ReactiveCocoa,natestedman/ReactiveCocoa,ohwutup/ReactiveCocoa,andersio/ReactiveCocoa,sandyway/ReactiveCocoa,walkingsmarts/ReactiveCocoa,andersio/ReactiveCocoa,Farteen/ReactiveCocoa,rpowelll/ReactiveCocoa,victorlin/ReactiveCocoa,andersio/ReactiveCocoa,beni55/ReactiveCocoa,ikesyo/ReactiveCocoa,beni55/ReactiveCocoa,llb1119/test,calebd/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,calebd/ReactiveCocoa,ikesyo/ReactiveCocoa,walkingsmarts/ReactiveCocoa,Juraldinio/ReactiveCocoa,paulyoung/ReactiveCocoa,tzongw/ReactiveCocoa,victorlin/ReactiveCocoa,Farteen/ReactiveCocoa,victorlin/ReactiveCocoa,Juraldinio/ReactiveCocoa,kevin-zqw/ReactiveCocoa,yonekawa/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,natestedman/ReactiveCocoa,tonyarnold/ReactiveCocoa,beni55/ReactiveCocoa,calebd/ReactiveCocoa,tonyarnold/ReactiveCocoa,smilypeda/ReactiveCocoa,natestedman/ReactiveCocoa,tonyarnold/ReactiveCocoa,sandyway/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,tzongw/ReactiveCocoa,sandyway/ReactiveCocoa,rpowelll/ReactiveCocoa