lru

package
Version: v0.0.0-...-a72dd9f Latest Latest
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Published: Oct 25, 2021 License: BSD-3-Clause Imports: 2 Imported by: 0

README

Go Reference

golang.org/x/build/internal/lru

Package lru implements an LRU cache.

Documentation

Overview

Package lru implements an LRU cache.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Cache

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

Cache is an LRU cache, safe for concurrent access.

func New

func New(maxEntries int) *Cache

New returns a new cache with the provided maximum items.

func (*Cache) Add

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

Add adds the provided key and value to the cache, evicting an old item if necessary.

func (*Cache) Get

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

Get fetches the key's value from the cache. The ok result will be true if the item was found.

func (*Cache) Len

func (c *Cache) Len() int

Len returns the number of items in the cache.

func (*Cache) RemoveOldest

func (c *Cache) RemoveOldest() (key, value interface{})

RemoveOldest removes the oldest item in the cache and returns its key and value. If the cache is empty, the empty string and nil are returned.

Source Files

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