Only private static methods are private by definition, fixes #25

Author: marc-mabe

src/MabeEnum/Enum.php

@@ -46,7 +46,7 @@ abstract class Enum
      * @param scalar $value The value to select
      * @param int|null $ordinal
      */
-    private function __construct($value, $ordinal = null)
+    final private function __construct($value, $ordinal = null)
     {
         $this->value   = $value;
         $this->ordinal = $ordinal;
@@ -66,7 +66,7 @@ final public function __toString()
      * @throws LogicException Enums are not cloneable
      *                        because instances are implemented as singletons
      */
-    private function __clone()
+    final private function __clone()
     {
         throw new LogicException('Enums are not cloneable');
     }