add more return type declare

inhere · inhere · commit 8adcea4f24c5 · 2018-04-22T15:08:45.000+08:00
diff --git a/src/ArrBuffer.php b/src/ArrBuffer.php
@@ -12,11 +12,9 @@
  * Class ArrBuffer
  * @package Toolkit\ArrUtil
  */
-final class AryBuffer
+final class ArrBuffer
 {
-    /**
-     * @var string[]
-     */
+    /** @var string[] */
     private $body = [];
 
     /** @var string */
