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package cache
import (
"math"
lru "github.com/hashicorp/golang-lru/v2"
"github.com/MichaelMure/git-bug/entity"
)
type lruIdCache struct {
*lru.Cache[entity.Id, *struct{}]
}
func newLRUIdCache() lruIdCache {
// we can ignore the error here as it would only fail if the size is negative.
cache, _ := lru.New[entity.Id, *struct{}](math.MaxInt32)
return lruIdCache{Cache: cache}
}
func (c *lruIdCache) Add(id entity.Id) bool {
return c.Cache.Add(id, nil)
}
func (c *lruIdCache) GetOldest() (entity.Id, bool) {
id, _, present := c.Cache.GetOldest()
return id, present
}
func (c *lruIdCache) GetOldestToNewest() (ids []entity.Id) {
return c.Keys()
}
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