86 lines
1.5 KiB
Go
86 lines
1.5 KiB
Go
/*
|
|
* Copyright 2020 The Dragonfly 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.
|
|
*/
|
|
|
|
//go:generate mockgen -destination mocks/set_mock.go -source set.go -package mocks
|
|
|
|
package set
|
|
|
|
type Set interface {
|
|
Values() []any
|
|
Add(any) bool
|
|
Delete(any)
|
|
Contains(...any) bool
|
|
Len() uint
|
|
Range(func(any) bool)
|
|
Clear()
|
|
}
|
|
|
|
type set map[any]struct{}
|
|
|
|
func New() Set {
|
|
return &set{}
|
|
}
|
|
|
|
func (s *set) Values() []any {
|
|
var result []any
|
|
s.Range(func(v any) bool {
|
|
result = append(result, v)
|
|
return true
|
|
})
|
|
|
|
return result
|
|
}
|
|
|
|
func (s *set) Add(v any) bool {
|
|
_, found := (*s)[v]
|
|
if found {
|
|
return false
|
|
}
|
|
|
|
(*s)[v] = struct{}{}
|
|
return true
|
|
}
|
|
|
|
func (s *set) Delete(v any) {
|
|
delete(*s, v)
|
|
}
|
|
|
|
func (s *set) Contains(vals ...any) bool {
|
|
for _, v := range vals {
|
|
if _, ok := (*s)[v]; !ok {
|
|
return false
|
|
}
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
func (s *set) Len() uint {
|
|
return uint(len(*s))
|
|
}
|
|
|
|
func (s *set) Range(fn func(any) bool) {
|
|
for v := range *s {
|
|
if !fn(v) {
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
func (s *set) Clear() {
|
|
*s = set{}
|
|
}
|