| 1 | // Copyright 2020 The Go Authors. All rights reserved. |
|---|---|
| 2 | // Use of this source code is governed by a BSD-style |
| 3 | // license that can be found in the LICENSE file. |
| 4 | |
| 5 | package export_test |
| 6 | |
| 7 | import ( |
| 8 | "context" |
| 9 | "errors" |
| 10 | "os" |
| 11 | "time" |
| 12 | |
| 13 | "golang.org/x/tools/internal/event" |
| 14 | "golang.org/x/tools/internal/event/core" |
| 15 | "golang.org/x/tools/internal/event/export" |
| 16 | "golang.org/x/tools/internal/event/keys" |
| 17 | "golang.org/x/tools/internal/event/label" |
| 18 | ) |
| 19 | |
| 20 | func ExampleLog() { |
| 21 | ctx := context.Background() |
| 22 | event.SetExporter(timeFixer(export.LogWriter(os.Stdout, false))) |
| 23 | anInt := keys.NewInt("myInt", "an integer") |
| 24 | aString := keys.NewString("myString", "a string") |
| 25 | event.Log(ctx, "my event", anInt.Of(6)) |
| 26 | event.Error(ctx, "error event", errors.New("an error"), aString.Of("some string value")) |
| 27 | // Output: |
| 28 | // 2020/03/05 14:27:48 my event |
| 29 | // myInt=6 |
| 30 | // 2020/03/05 14:27:48 error event: an error |
| 31 | // myString="some string value" |
| 32 | } |
| 33 | |
| 34 | func timeFixer(output event.Exporter) event.Exporter { |
| 35 | at, _ := time.Parse(time.RFC3339Nano, "2020-03-05T14:27:48Z") |
| 36 | return func(ctx context.Context, ev core.Event, lm label.Map) context.Context { |
| 37 | copy := core.CloneEvent(ev, at) |
| 38 | return output(ctx, copy, lm) |
| 39 | } |
| 40 | } |
| 41 |
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