#41 adding return hints to applicable methods

Author: Ocramius

src/Generator/DocBlock/Tag/VarTag.php

@@ -33,7 +33,7 @@ public function __construct(?string $variableName = null, $types = [], ?string $
     /**
      * {@inheritDoc}
      */
-    public function getName()
+    public function getName() : string
     {
         return 'var';
     }
@@ -50,10 +50,7 @@ public function setVariableName(?string $variableName) : void
         }
     }
 
-    /**
-     * @return string|null
-     */
-    public function getVariableName()
+    public function getVariableName() : ?string
     {
         return $this->variableName;
     }