File: Result.swift

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swiftlang 6.0.3-2
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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2018 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 Swift.Result {

  /// Project out the .success value, or nil.
  public var success: Success? {
    switch self {
    case .success(let value):
      return value
    default:
      return nil
    }
  }

  /// Project out the .failure value, or nil.
  public var failure: Failure? {
    switch self {
    case .failure(let error):
      return error
    default:
      return nil
    }
  }
}