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// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package sets
type String map[string]interface{}
func (s String) Len() int {
return len(s)
}
func (s String) List() []string {
val := make([]string, 0, len(s))
for k := range s {
val = append(val, k)
}
return val
}
func (s String) Has(val string) bool {
_, found := s[val]
return found
}
func (s String) Insert(vals ...string) {
for _, val := range vals {
s[val] = nil
}
}
func (s String) Difference(s2 String) String {
s3 := String{}
for k := range s {
if _, found := s2[k]; !found {
s3.Insert(k)
}
}
return s3
}
func (s String) SymmetricDifference(s2 String) String {
s3 := String{}
for k := range s {
if _, found := s2[k]; !found {
s3.Insert(k)
}
}
for k := range s2 {
if _, found := s[k]; !found {
s3.Insert(k)
}
}
return s3
}
func (s String) Intersection(s2 String) String {
s3 := String{}
for k := range s {
if _, found := s2[k]; found {
s3.Insert(k)
}
}
return s3
}
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