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| // Copyright 2012 The Go Authors. All rights reserved.
| // Use of this source code is governed by a BSD-style
| // license that can be found in the LICENSE file.
|
| package errors_test
|
| import (
| "fmt"
| "time"
| )
|
| // MyError is an error implementation that includes a time and message.
| type MyError struct {
| When time.Time
| What string
| }
|
| func (e MyError) Error() string {
| return fmt.Sprintf("%v: %v", e.When, e.What)
| }
|
| func oops() error {
| return MyError{
| time.Date(1989, 3, 15, 22, 30, 0, 0, time.UTC),
| "the file system has gone away",
| }
| }
|
| func Example() {
| if err := oops(); err != nil {
| fmt.Println(err)
| }
| // Output: 1989-03-15 22:30:00 +0000 UTC: the file system has gone away
| }
|
|
