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