// Copyright (c) 2016 Uber Technologies, Inc.1//2// Permission is hereby granted, free of charge, to any person obtaining a copy3// of this software and associated documentation files (the "Software"), to deal4// in the Software without restriction, including without limitation the rights5// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell6// copies of the Software, and to permit persons to whom the Software is7// furnished to do so, subject to the following conditions:8//9// The above copyright notice and this permission notice shall be included in10// all copies or substantial portions of the Software.11//12// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR13// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,14// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE15// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER16// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,17// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN18// THE SOFTWARE.1920package zap2122import (23"flag"2425"go.uber.org/zap/zapcore"26)2728// LevelFlag uses the standard library's flag.Var to declare a global flag29// with the specified name, default, and usage guidance. The returned value is30// a pointer to the value of the flag.31//32// If you don't want to use the flag package's global state, you can use any33// non-nil *Level as a flag.Value with your own *flag.FlagSet.34func LevelFlag(name string, defaultLevel zapcore.Level, usage string) *zapcore.Level {35lvl := defaultLevel36flag.Var(&lvl, name, usage)37return &lvl38}394041