cache

Documentation

Index

• type Cache
  • func New() *Cache
  • func (c *Cache) Clear()
  • func (c *Cache) Expire(name string)
  • func (c *Cache) Fetch(name string, t time.Duration, f Func) (interface{}, error)
• type Func

Types

type Cache

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

Cache is the internal cache implementation.

func New

func New() *Cache

New creates a cacher.

func (*Cache) Clear

func (c *Cache) Clear()

Clear empties the cache for all values.

func (*Cache) Expire

func (c *Cache) Expire(name string)

Expire removes the given item from the cache, if it exists.

func (*Cache) Fetch

func (c *Cache) Fetch(name string, t time.Duration, f Func) (interface{}, error)

Fetch retrieves an item from the cache. If the item exists in the cache and is within its lifetime, it is returned. If the item does not exist, or if the item exists but has exceeded its lifetime, the function f is invoked and the result is updated in the cache.

type Func

type Func func() (interface{}, error)

Func is the signature for a cache function.