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39 lines
1.2 KiB
Swift
39 lines
1.2 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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@_exported import AVFoundation // Clang module
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import Foundation
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#if os(iOS)
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@available(iOS, introduced: 11.0)
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extension AVCaptureSynchronizedDataCollection : Sequence {
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public func makeIterator() -> Iterator {
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return Iterator(self)
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}
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public struct Iterator : IteratorProtocol {
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internal var fastIterator: NSFastEnumerationIterator
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internal init(_ collection: AVCaptureSynchronizedDataCollection) {
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self.fastIterator = NSFastEnumerationIterator(collection)
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}
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public mutating func next() -> AVCaptureSynchronizedData? {
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guard let nextAny = fastIterator.next() else { return nil }
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return nextAny as! AVCaptureSynchronizedData
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}
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}
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}
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#endif
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