cache

package
Version: v1.2.6 Latest Latest
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Published: Nov 4, 2018 License: Apache-2.0 Imports: 2 Imported by: 0

Documentation

Overview

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.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Hash

func Hash(what []byte) uint64

Hash returns the FNV hash of what.

Types

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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