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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef BASE_IOS_NS_ERROR_UTIL_H_ |
| 6 #define BASE_IOS_NS_ERROR_UTIL_H_ |
| 7 |
| 8 @class NSError; |
| 9 |
| 10 namespace base { |
| 11 namespace ios { |
| 12 |
| 13 // Iterates through |error|'s underlying errors and returns the first error for |
| 14 // which there is no underlying error. |
| 15 NSError* GetFinalUnderlyingErrorFromError(NSError* error); |
| 16 |
| 17 // Returns a copy of |original_error| with |underlying_error| appended to the |
| 18 // end of its underlying error chain. |
| 19 NSError* ErrorWithAppendedUnderlyingError(NSError* original_error, |
| 20 NSError* underlying_error); |
| 21 |
| 22 } // namespace ios |
| 23 } // namespace base |
| 24 |
| 25 #endif // BASE_IOS_NS_ERROR_UTIL_H_ |
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