cache

Documentation

Overview

Package cache keeps source answers for their TTL and runs one fetch per key at a time.

Index

• type Cache
  • func New() *Cache
  • func (c *Cache) Forget(key string)
  • func (c *Cache) Get(key string, ttl time.Duration, fetch func() (any, error)) (any, error)

Types

type Cache

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

func New

func New() *Cache

func (*Cache) Forget

func (c *Cache) Forget(key string)

func (*Cache) Get

func (c *Cache) Get(key string, ttl time.Duration, fetch func() (any, error)) (any, error)

Get answers from the cache while key's value is younger than ttl, else fetches once for every caller waiting on key. Errors are not kept.