Version: v0.5.0 Latest Latest

This package is not in the latest version of its module.

Go to latest
Published: Feb 10, 2016 License: MPL-2.0, MPL-2.0 Imports: 2 Imported by: 0




This section is empty.


This section is empty.


This section is empty.


type EvictCallback

type EvictCallback func(key interface{}, value interface{})

EvictCallback is used to get a callback when a cache entry is evicted

type LRU

type LRU struct {
	// contains filtered or unexported fields

LRU implements a non-thread safe fixed size LRU cache

func NewLRU

func NewLRU(size int, onEvict EvictCallback) (*LRU, error)

NewLRU constructs an LRU of the given size

func (*LRU) Add

func (c *LRU) Add(key, value interface{}) bool

Add adds a value to the cache. Returns true if an eviction occured.

func (*LRU) Contains

func (c *LRU) Contains(key interface{}) (ok bool)

Check if a key is in the cache, without updating the recent-ness or deleting it for being stale.

func (*LRU) Get

func (c *LRU) Get(key interface{}) (value interface{}, ok bool)

Get looks up a key's value from the cache.

func (*LRU) GetOldest

func (c *LRU) GetOldest() (interface{}, interface{}, bool)

GetOldest returns the oldest entry

func (*LRU) Keys

func (c *LRU) Keys() []interface{}

Keys returns a slice of the keys in the cache, from oldest to newest.

func (*LRU) Len

func (c *LRU) Len() int

Len returns the number of items in the cache.

func (*LRU) Peek

func (c *LRU) Peek(key interface{}) (value interface{}, ok bool)

Returns the key value (or undefined if not found) without updating the "recently used"-ness of the key.

func (*LRU) Purge

func (c *LRU) Purge()

Purge is used to completely clear the cache

func (*LRU) Remove

func (c *LRU) Remove(key interface{}) bool

Remove removes the provided key from the cache, returning if the key was contained.

func (*LRU) RemoveOldest

func (c *LRU) RemoveOldest() (interface{}, interface{}, bool)

RemoveOldest removes the oldest item from the cache.

Source Files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL