64 lines
1.3 KiB
Go
64 lines
1.3 KiB
Go
// Copyright 2023 LiveKit, Inc.
|
|
//
|
|
// 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 utils
|
|
|
|
type DedupedSlice[T comparable] struct {
|
|
maxLen int
|
|
|
|
values []T
|
|
}
|
|
|
|
func NewDedupedSlice[T comparable](maxLen int) *DedupedSlice[T] {
|
|
return &DedupedSlice[T]{
|
|
maxLen: maxLen,
|
|
}
|
|
}
|
|
|
|
func (d *DedupedSlice[T]) Add(val T) bool {
|
|
for _, v := range d.values {
|
|
if val == v {
|
|
return false
|
|
}
|
|
}
|
|
|
|
d.values = append(d.values, val)
|
|
if len(d.values) > d.maxLen {
|
|
d.values = d.values[len(d.values)-d.maxLen:]
|
|
}
|
|
return true
|
|
}
|
|
|
|
func (d *DedupedSlice[T]) Get() []T {
|
|
return d.values
|
|
}
|
|
|
|
func (d *DedupedSlice[T]) Len() int {
|
|
return len(d.values)
|
|
}
|
|
|
|
func (d *DedupedSlice[T]) Has(val T) bool {
|
|
for _, v := range d.values {
|
|
if v == val {
|
|
return true
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
func (d *DedupedSlice[T]) Clear() {
|
|
d.values = nil
|
|
}
|