ExpireAfterWrite sets the expiration time of the cache value after write.

Has returns whether the key exists.

Load loads value from cache, if there is no cached value, call the loader to get value, and then stores it.

NewJSONResult returns a Result which stores a JSON string.

NewStorage returns a new *Storage.

NewValueResult returns a Result which stores a `reflect.Value`.

JSONResult stores a JSON string.

Storage is a Shardable cache implementation.

ValueResult stores a `reflect.Value`.

Driver loads value from m, if there is no cached value, call the loader to get value, and then stores it into m.

Result stores a value.

A Shardable cache can improve the performance of concurrency.

HashFunc returns the hash value of the key.

Loader gets value from a background, such as Redis, MySQL, etc.

ResultLoader returns a wrapper for the source value of the key.