//
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// Empty.swift
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// RxSwift
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//
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// Created by Krunoslav Zaher on 8/30/15.
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// Copyright © 2015 Krunoslav Zaher. All rights reserved.
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//
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extension ObservableType {
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/**
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Returns an empty observable sequence, using the specified scheduler to send out the single `Completed` message.
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- seealso: [empty operator on reactivex.io](http://reactivex.io/documentation/operators/empty-never-throw.html)
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- returns: An observable sequence with no elements.
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*/
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public static func empty() -> Observable<Element> {
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EmptyProducer<Element>()
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}
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}
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final private class EmptyProducer<Element>: Producer<Element> {
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override func subscribe<Observer: ObserverType>(_ observer: Observer) -> Disposable where Observer.Element == Element {
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observer.on(.completed)
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return Disposables.create()
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}
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}
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