| // Copyright (c) 2017 Uber Technologies, Inc. |
| // |
| // Permission is hereby granted, free of charge, to any person obtaining a copy |
| // of this software and associated documentation files (the "Software"), to deal |
| // in the Software without restriction, including without limitation the rights |
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| // copies of the Software, and to permit persons to whom the Software is |
| // furnished to do so, subject to the following conditions: |
| // |
| // The above copyright notice and this permission notice shall be included in |
| // all copies or substantial portions of the Software. |
| // |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| // THE SOFTWARE. |
| |
| package multierr_test |
| |
| import ( |
| "errors" |
| "fmt" |
| |
| "go.uber.org/multierr" |
| ) |
| |
| func ExampleCombine() { |
| err := multierr.Combine( |
| errors.New("call 1 failed"), |
| nil, // successful request |
| errors.New("call 3 failed"), |
| nil, // successful request |
| errors.New("call 5 failed"), |
| ) |
| fmt.Printf("%+v", err) |
| // Output: |
| // the following errors occurred: |
| // - call 1 failed |
| // - call 3 failed |
| // - call 5 failed |
| } |
| |
| func ExampleAppend() { |
| var err error |
| err = multierr.Append(err, errors.New("call 1 failed")) |
| err = multierr.Append(err, errors.New("call 2 failed")) |
| fmt.Println(err) |
| // Output: |
| // call 1 failed; call 2 failed |
| } |
| |
| func ExampleErrors() { |
| err := multierr.Combine( |
| nil, // successful request |
| errors.New("call 2 failed"), |
| errors.New("call 3 failed"), |
| ) |
| err = multierr.Append(err, nil) // successful request |
| err = multierr.Append(err, errors.New("call 5 failed")) |
| |
| errors := multierr.Errors(err) |
| for _, err := range errors { |
| fmt.Println(err) |
| } |
| // Output: |
| // call 2 failed |
| // call 3 failed |
| // call 5 failed |
| } |