| // Copyright 2022 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 slog_test |
| |
| import ( |
| "net/http" |
| "os" |
| "time" |
| |
| "golang.org/x/exp/slog" |
| ) |
| |
| func ExampleGroup() { |
| r, _ := http.NewRequest("GET", "localhost", nil) |
| // ... |
| |
| // Remove the time attribute to make Output deterministic. |
| removeTime := func(groups []string, a slog.Attr) slog.Attr { |
| if a.Key == slog.TimeKey && len(groups) == 0 { |
| a.Key = "" |
| } |
| return a |
| } |
| logger := slog.New(slog.HandlerOptions{ReplaceAttr: removeTime}.NewTextHandler(os.Stdout)) |
| slog.SetDefault(logger) |
| |
| slog.Info("finished", |
| slog.Group("req", |
| slog.String("method", r.Method), |
| slog.String("url", r.URL.String())), |
| slog.Int("status", http.StatusOK), |
| slog.Duration("duration", time.Second)) |
| |
| // Output: |
| // level=INFO msg=finished req.method=GET req.url=localhost status=200 duration=1s |
| } |