0001    //
0002    //  BinaryDisposable.swift
0003    //  RxSwift
0004    //
0005    //  Created by Krunoslav Zaher on 6/12/15.
0006    //  Copyright © 2015 Krunoslav Zaher. All rights reserved.
0007    //
0008    
0009    import Foundation
0010    
0011    /**
0012    Represents two disposable resources that are disposed together.
0013    */
0014    public final class BinaryDisposable
Multicast.swift:33
            return BinaryDisposable(subscription, connection)
Observable+Extensions.swift:62
        return BinaryDisposable(
Skip.swift:108
        return BinaryDisposable(disposeTimer, disposeSubscription)
StableCompositeDisposable.swift:13
        return BinaryDisposable(disposable1, disposable2)
Take.swift:122
        return BinaryDisposable(disposeTimer, disposeSubscription)
 : DisposeBase, Cancelable {
0015    
0016        private var _disposed
BinaryDisposable.swift:27
            return _disposed > 0
BinaryDisposable.swift:49
        if AtomicCompareAndSwap(0, 1, &_disposed) {
: AtomicInt = 0
0017    
0018        // state
0019        private var _disposable1
BinaryDisposable.swift:38
        _disposable1 = disposable1
BinaryDisposable.swift:50
            _disposable1?.dispose()
BinaryDisposable.swift:52
            _disposable1 = nil
: Disposable?
0020        private var _disposable2
BinaryDisposable.swift:39
        _disposable2 = disposable2
BinaryDisposable.swift:51
            _disposable2?.dispose()
BinaryDisposable.swift:53
            _disposable2 = nil
: Disposable?
0021    
0022        /**
0023        - returns: Was resource disposed.
0024        */
0025        public var disposed: Bool {
0026            get {
0027                return _disposed > 0
0028            }
0029        }
0030    
0031        /**
0032        Constructs new binary disposable from two disposables.
0033    
0034        - parameter disposable1: First disposable
0035        - parameter disposable2: Second disposable
0036        */
0037        init
Multicast.swift:33
            return BinaryDisposable(subscription, connection)
Observable+Extensions.swift:62
        return BinaryDisposable(
Skip.swift:108
        return BinaryDisposable(disposeTimer, disposeSubscription)
StableCompositeDisposable.swift:13
        return BinaryDisposable(disposable1, disposable2)
Take.swift:122
        return BinaryDisposable(disposeTimer, disposeSubscription)
(_ disposable1: Disposable, _ disposable2: Disposable) {
0038            _disposable1 = disposable1
0039            _disposable2 = disposable2
0040            super.init()
0041        }
0042    
0043        /**
0044        Calls the disposal action if and only if the current instance hasn't been disposed yet.
0045    
0046        After invoking disposal action, disposal action will be dereferenced.
0047        */
0048        public func dispose() {
0049            if AtomicCompareAndSwap(0, 1, &_disposed) {
0050                _disposable1?.dispose()
0051                _disposable2?.dispose()
0052                _disposable1 = nil
0053                _disposable2 = nil
0054            }
0055        }
0056    }
0057