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// 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
}