Naveen Sampath | 04696f7 | 2022-06-13 15:19:14 +0530 | [diff] [blame^] | 1 | // Copyright (c) 2019 Uber Technologies, Inc. |
| 2 | // |
| 3 | // Permission is hereby granted, free of charge, to any person obtaining a copy |
| 4 | // of this software and associated documentation files (the "Software"), to deal |
| 5 | // in the Software without restriction, including without limitation the rights |
| 6 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 7 | // copies of the Software, and to permit persons to whom the Software is |
| 8 | // furnished to do so, subject to the following conditions: |
| 9 | // |
| 10 | // The above copyright notice and this permission notice shall be included in |
| 11 | // all copies or substantial portions of the Software. |
| 12 | // |
| 13 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 14 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 15 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 16 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 17 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 18 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 19 | // THE SOFTWARE. |
| 20 | |
| 21 | // +build go1.13 |
| 22 | |
| 23 | package multierr |
| 24 | |
| 25 | import "errors" |
| 26 | |
| 27 | // As attempts to find the first error in the error list that matches the type |
| 28 | // of the value that target points to. |
| 29 | // |
| 30 | // This function allows errors.As to traverse the values stored on the |
| 31 | // multierr error. |
| 32 | func (merr *multiError) As(target interface{}) bool { |
| 33 | for _, err := range merr.Errors() { |
| 34 | if errors.As(err, target) { |
| 35 | return true |
| 36 | } |
| 37 | } |
| 38 | return false |
| 39 | } |
| 40 | |
| 41 | // Is attempts to match the provided error against errors in the error list. |
| 42 | // |
| 43 | // This function allows errors.Is to traverse the values stored on the |
| 44 | // multierr error. |
| 45 | func (merr *multiError) Is(target error) bool { |
| 46 | for _, err := range merr.Errors() { |
| 47 | if errors.Is(err, target) { |
| 48 | return true |
| 49 | } |
| 50 | } |
| 51 | return false |
| 52 | } |