文件操作 - example_logvaluer_secret_test.go
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文件: /usr/share/go-1.23/src/log/slog/example_logvaluer_secret_test.go
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// 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" "log/slog/internal/slogtest" "os" ) // 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: slogtest.RemoveTime})) logger.Info("permission granted", "user", "Perry", "token", t) // Output: // level=INFO msg="permission granted" user=Perry token=REDACTED_TOKEN }
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