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kakajika/ObservableType+isEmpty.swift

Last active February 27, 2018 05:23
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RxSwift.ObservableType::isEmpty()
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ObservableType+isEmpty.swift
extension ObservableType {
func isEmpty() -> Single<Bool> {
return self
.take(1)
.map { _ in false }
.ifEmpty(switchTo: Observable.just(true))
.asSingle()
}
}
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