codekingpro/portable-devtools

1// Copyright 2025 The Go Authors. All rights reserved.2// Use of this source code is governed by a BSD-style3// license that can be found in the LICENSE file.4 5package slog_test6 7import (8	"bytes"9	"log/slog"10	"os"11)12 13func ExampleMultiHandler() {14	removeTime := func(groups []string, a slog.Attr) slog.Attr {15		if a.Key == slog.TimeKey && len(groups) == 0 {16			return slog.Attr{}17		}18		return a19	}20 21	var textBuf, jsonBuf bytes.Buffer22	textHandler := slog.NewTextHandler(&textBuf, &slog.HandlerOptions{ReplaceAttr: removeTime})23	jsonHandler := slog.NewJSONHandler(&jsonBuf, &slog.HandlerOptions{ReplaceAttr: removeTime})24 25	multiHandler := slog.NewMultiHandler(textHandler, jsonHandler)26	logger := slog.New(multiHandler)27 28	logger.Info("login",29		slog.String("name", "whoami"),30		slog.Int("id", 42),31	)32 33	os.Stdout.WriteString(textBuf.String())34	os.Stdout.WriteString(jsonBuf.String())35 36	// Output:37	// level=INFO msg=login name=whoami id=4238	// {"level":"INFO","msg":"login","name":"whoami","id":42}39}40