lru

package

v0.9.1 Latest Latest Go to latest Published: Apr 30, 2019 License: ISC, MIT Imports: 4 Imported by: 0

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

func NewCache(
	capacity uint64) *Cache

NewCache return a cache with specified capacity, the cache's size can't exceed that given capacity.

func (c *Cache) Get(key interface{}) (cache.Value, error)

Get will return value for a given key, making the element the most recently accessed item in the process. Will return nil if the key isn't found.

func (c *Cache) Len() int

Len returns number of elements in the cache.

func (c *Cache) Put(key interface{}, value cache.Value) error

Put inserts a given (key,value) pair into the cache, if the key already exists, it will replace value and update it to be most recent item in cache.