feat(redis): add NewWithClient to work with pre-existing client

Signed-off-by: Boris Glimcher <[email protected]>

Author: glimchb

redis/redis.go

@@ -131,3 +131,11 @@ func NewClient(options Options) (Client, error) {
 
 	return result, nil
 }
+
+// NewWithClient method creates a new Redis client with given `redis.Client`.
+func NewWithClient(rc *redis.Client, options Options) *Client {
+	if options.Codec == nil {
+		options.Codec = DefaultOptions.Codec
+	}
+	return &Client{c: rc, codec: options.Codec}
+}