| // Copyright 2015 The Vanadium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| // Utility functions for error handling. |
| |
| package lib |
| |
| import ( |
| "fmt" |
| ) |
| |
| // MergeErrors returns nil if both errors passed to it are nil. |
| // Otherwise, it concatenates non-nil error messages. |
| func MergeErrors(err1, err2 error, joiner string) error { |
| if err1 == nil { |
| return err2 |
| } else if err2 == nil { |
| return err1 |
| } else { |
| return fmt.Errorf("%v%s%v", err1, joiner, err2) |
| } |
| } |
