Takahiro Suzuki | d7bf820 | 2020-12-17 20:21:59 +0900 | [diff] [blame] | 1 | // Copyright (c) 2016 Uber Technologies, Inc. |
| 2 | // |
| 3 | // Permission is hereby granted, free of charge, to any person obtaining a copy |
| 4 | // of this software and associated documentation files (the "Software"), to deal |
| 5 | // in the Software without restriction, including without limitation the rights |
| 6 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 7 | // copies of the Software, and to permit persons to whom the Software is |
| 8 | // furnished to do so, subject to the following conditions: |
| 9 | // |
| 10 | // The above copyright notice and this permission notice shall be included in |
| 11 | // all copies or substantial portions of the Software. |
| 12 | // |
| 13 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 14 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 15 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 16 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 17 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 18 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 19 | // THE SOFTWARE. |
| 20 | |
| 21 | package zap |
| 22 | |
| 23 | import ( |
| 24 | "flag" |
| 25 | |
| 26 | "go.uber.org/zap/zapcore" |
| 27 | ) |
| 28 | |
| 29 | // LevelFlag uses the standard library's flag.Var to declare a global flag |
| 30 | // with the specified name, default, and usage guidance. The returned value is |
| 31 | // a pointer to the value of the flag. |
| 32 | // |
| 33 | // If you don't want to use the flag package's global state, you can use any |
| 34 | // non-nil *Level as a flag.Value with your own *flag.FlagSet. |
| 35 | func LevelFlag(name string, defaultLevel zapcore.Level, usage string) *zapcore.Level { |
| 36 | lvl := defaultLevel |
| 37 | flag.Var(&lvl, name, usage) |
| 38 | return &lvl |
| 39 | } |