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