Version: v1.4.0 Latest Latest

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Published: Mar 3, 2019 License: Apache-2.0 Imports: 2 Imported by: 0



Package cache implements a cache. The cache hold 256 shards, each shard holds a cache: a map with a mutex. There is no fancy expunge algorithm, it just randomly evicts elements when it gets full.



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func Hash

func Hash(what []byte) uint64

Hash returns the FNV hash of what.


type Cache

type Cache struct {
	// contains filtered or unexported fields

Cache is cache.

func New

func New(size int) *Cache

New returns a new cache.

func (*Cache) Add

func (c *Cache) Add(key uint64, el interface{})

Add adds a new element to the cache. If the element already exists it is overwritten.

func (*Cache) Get

func (c *Cache) Get(key uint64) (interface{}, bool)

Get looks up element index under key.

func (*Cache) Len

func (c *Cache) Len() int

Len returns the number of elements in the cache.

func (*Cache) Remove

func (c *Cache) Remove(key uint64)

Remove removes the element indexed with key.

Source Files

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