| /* |
| Copyright 2017 The Kubernetes Authors. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| package flag |
| |
| // OmitEmpty is an interface for flags to report whether their underlying value |
| // is "empty." If a flag implements OmitEmpty and returns true for a call to Empty(), |
| // it is assumed that flag may be omitted from the command line. |
| type OmitEmpty interface { |
| Empty() bool |
| } |
