Simplifies `Merge` operators.
Simplifies `Merge` operators.

ReactiveX/RxSwift,petester42/RxSwift,petester42/RxSwift,hsoi/RxSwift,thanegill/RxSwift,KyoheiG3/RxSwift,petester42/RxSwift,ashfurrow/RxSwift,hsoi/RxSwift,shiratsu/RxSwift,kzaher/RxSwift,thanegill/RxSwift,hsoi/RxSwift,ashfurrow/RxSwift,tottakai/RxSwift,shiratsu/RxSwift,ashfurrow/RxSwift,KyoheiG3/RxSwift,cfraz89/RxSwift,petester42/RxSwift,shiratsu/RxSwift,kzaher/RxSwift,thanegill/RxSwift,ashfurrow/RxSwift,hsoi/RxSwift,thanegill/RxSwift,kzaher/RxSwift,tottakai/RxSwift,cfraz89/RxSwift,cfraz89/RxSwift,tottakai/RxSwift,cfraz89/RxSwift,KyoheiG3/RxSwift,kzaher/RxSwift,ReactiveX/RxSwift,ReactiveX/RxSwift