Merge pull request #4 from seregazhuk/mark-class-as-final

Mark class as final

Author: seregazhuk

src/Memcached.php

@@ -5,27 +5,15 @@
 use React\Cache\CacheInterface;
 use React\EventLoop\LoopInterface;
 use React\Promise\PromiseInterface;
-use seregazhuk\React\Memcached\Client;
 use seregazhuk\React\Memcached\Factory as ClientFactory;
 
-class Memcached implements CacheInterface
+final class Memcached implements CacheInterface
 {
-    /**
-     * @var Client
-     */
-    protected $client;
+    private $client;
 
-    /**
-     * @var string
-     */
-    protected $prefix;
+    private $prefix;
 
-    /**
-     * @param LoopInterface $loop
-     * @param string $address
-     * @param string $prefix
-     */
-    public function __construct(LoopInterface $loop, $address = 'localhost:11211', $prefix = 'react:cache:')
+    public function __construct(LoopInterface $loop, string $address = 'localhost:11211', string $prefix = 'react:cache:')
     {
         $this->client = ClientFactory::createClient($loop, $address);
         $this->prefix = $prefix;