mirror of https://github.com/knative/pkg.git
43 lines
947 B
Go
43 lines
947 B
Go
/*
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Copyright 2020 The Knative 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 kflag
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import (
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"flag"
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"fmt"
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"k8s.io/apimachinery/pkg/util/sets"
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)
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type StringSet struct {
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Value sets.String
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}
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var _ flag.Value = (*StringSet)(nil)
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func (i *StringSet) String() string {
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return fmt.Sprintf("%v", i.Value)
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}
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func (i *StringSet) Set(value string) error {
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if i.Value == nil {
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i.Value = make(sets.String, 1)
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}
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i.Value.Insert(value)
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return nil
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}
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