blob: 0d405199b65b1d944ff02d64cf040df5bef124d2 [file] [log] [blame]
// 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 (
// A token is a secret value that grants permissions.
type Token string
// LogValue implements slog.LogValuer.
// It avoids revealing the token.
func (Token) LogValue() slog.Value {
return slog.StringValue("REDACTED_TOKEN")
// This example demonstrates a Value that replaces itself
// with an alternative representation to avoid revealing secrets.
func ExampleLogValuer_secret() {
t := Token("shhhh!")
logger := slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{ReplaceAttr: testutil.RemoveTime}))
logger.Info("permission granted", "user", "Perry", "token", t)
// Output:
// level=INFO msg="permission granted" user=Perry token=REDACTED_TOKEN