lfu

package

v0.0.0-...-4ff26d5 Latest Latest Go to latest Published: May 4, 2014 License: BSD-3-Clause Imports: 3 Imported by: 0

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This package implements a O(1) LFU Followed the origin paper http://dhruvbird.com/lfu.pdf

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type Cache struct {
	// contains filtered or unexported fields
}

func New(o *Option) *Cache

func (c *Cache) Capacity() uint64

func (c *Cache) Clear()

func (c *Cache) Delete(key cache.Key)

func (c *Cache) ElementsCount() uint64

func (c *Cache) Evict(n int)

func (c *Cache) Get(key cache.Key) (cache.Data, bool)

func (c *Cache) Set(key cache.Key, data cache.Data)

func (c *Cache) SetCapacity(capacity uint64)

func (c *Cache) Size() uint64

type Option struct {
	Capacity    uint64
	MaxElements uint64
}