//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//

extension String.UTF16View.Index {
  /// Construct from an integer offset.
  @available(swift, obsoleted: 4.0)
  public init(_ offset: Int) {
    fatalError("Unavailable")
  }

  @available(swift, obsoleted: 4.0)
  public func distance(to other: String.UTF16View.Index?) -> Int {
    fatalError("Unavailable")
  }

  @available(swift, obsoleted: 4.0)
  public func advanced(by n: Int) -> String.UTF16View.Index {
    fatalError("Unavailable")
  }
}