Merge pull request #22 from FGadvancer/main

feat: rockscache client return redis client.

client.go

@@ -61,13 +61,18 @@ func NewDefaultOptions() Options {
 	}
 }
 
-// Client delay client
+// Client delay client.
 type Client struct {
 	rdb     redis.UniversalClient
 	Options Options
 	group   singleflight.Group
 }
 
+// Rdb return the Redis client.
+func (c *Client) Rdb() redis.UniversalClient {
+	return c.rdb
+}
+
 // NewClient return a new rockscache client
 // for each key, rockscache client store a hash set,
 // the hash set contains the following fields: