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40 lines
1.6 KiB
Go
40 lines
1.6 KiB
Go
// Copyright (c) 2016 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package zap
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import (
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"flag"
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"go.uber.org/zap/zapcore"
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)
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// LevelFlag uses the standard library's flag.Var to declare a global flag
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// with the specified name, default, and usage guidance. The returned value is
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// a pointer to the value of the flag.
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//
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// If you don't want to use the flag package's global state, you can use any
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// non-nil *Level as a flag.Value with your own *flag.FlagSet.
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func LevelFlag(name string, defaultLevel zapcore.Level, usage string) *zapcore.Level {
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lvl := defaultLevel
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flag.Var(&lvl, name, usage)
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return &lvl
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}
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