Files
cloudpods/pkg/util/choices/choices.go
T

46 lines
1.0 KiB
Go

// Copyright 2019 Yunion
//
// 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 choices
import (
"strings"
)
type Empty struct{}
type Choices map[string]Empty
func NewChoices(choices ...string) Choices {
cs := Choices{}
for _, choice := range choices {
cs[choice] = Empty{}
}
return cs
}
func (cs Choices) Has(choice string) bool {
_, ok := cs[choice]
return ok
}
func (cs Choices) String() string {
choices := make([]string, len(cs))
i := 0
for choice := range cs {
choices[i] = choice
i++
}
return strings.Join(choices, "|")
}