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19 lines
656 B
Go
19 lines
656 B
Go
// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package logger defines a type for writing to logs. It's just a
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// convenience type so that we don't have to pass verbose func(...)
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// types around.
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package logger
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// Logf is the basic Tailscale logger type: a printf-like func.
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type Logf func(format string, args ...interface{})
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// WithPrefix wraps f, prefixing each format with the provided prefix.
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func WithPrefix(f Logf, prefix string) Logf {
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return func(format string, args ...interface{}) {
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f(prefix+format, args...)
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}
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}
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