AddCleanTask adds a clean task on given keys.

AddCleanTaskx adds a clean task on given key and fields.

New returns a Cache.

NewNode returns a cacheNode.

NewStat returns a Stat.

TotalWeights returns the total weights of given nodes.

WithExpiry returns a func to customize an Options with given expiry.

WithNotFoundExpiry returns a func to customize an Options with given not found expiry.

A Stat is used to stat the cache.

CacheConf is an alias of ClusterConf.