Method add

groupcache.go:420–434

(key string, value ByteView)

}

func (c *cache) add(key string, value ByteView) {
	c.mu.Lock()
	defer c.mu.Unlock()
	if c.lru == nil {
		c.lru = &lru.Cache{
			OnEvicted: func(key lru.Key, value interface{}) {
				val := value.(ByteView)
				c.nbytes -= int64(len(key.(string))) + int64(val.Len())
				c.nevict++
			},
		}
	}
	c.lru.Add(key, value)
	c.nbytes += int64(len(key)) + int64(value.Len())
}

func (c *cache) get(key string) (value ByteView, ok bool) {
	c.mu.Lock()