// 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 ( "log/slog" "net/http" "os" "time" ) func ExampleGroup() { r, _ := http.NewRequest("GET", "localhost", nil) // ... logger := slog.New( slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{ ReplaceAttr: func(groups []string, a slog.Attr) slog.Attr { if a.Key == slog.TimeKey && len(groups) == 0 { return slog.Attr{} } return a }, }), ) logger.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 }