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31 lines
842 B
Swift
31 lines
842 B
Swift
/*
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Copyright (C) 2015 Apple Inc. All Rights Reserved.
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See LICENSE.txt for this sample’s licensing information
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Abstract:
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This file defines the error codes and convenience functions for interacting with Operation-related errors.
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*/
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import Foundation
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let OperationErrorDomain = "OperationErrors"
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enum OperationErrorCode: Int {
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case ConditionFailed = 1
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case ExecutionFailed = 2
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}
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extension NSError {
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convenience init(code: OperationErrorCode, userInfo: [String: Any]? = nil) {
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self.init(domain: OperationErrorDomain, code: code.rawValue, userInfo: userInfo)
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}
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}
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// This makes it easy to compare an `NSError.code` to an `OperationErrorCode`.
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func ==(lhs: Int, rhs: OperationErrorCode) -> Bool {
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return lhs == rhs.rawValue
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}
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func ==(lhs: OperationErrorCode, rhs: Int) -> Bool {
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return lhs.rawValue == rhs
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}
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