hphp/hack/test/typecheck/condition_if_static.php

   1 <?hh
   2 /**
   3  * Copyright (c) 2014, Facebook, Inc.
   4  * All rights reserved.
   5  *
   6  * This source code is licensed under the BSD-style license found in the
   7  * LICENSE file in the "hack" directory of this source tree. An additional grant
   8  * of patent rights can be found in the PATENTS file in the same directory.
   9  *
  10  */
  11
  12 class C {
  13   private static ?int $x = null;
  14
  15   public static function get(): int {
  16     if (self::$x) {
  17       return self::$x;
  18     } else {
  19       return 0;
  20     }
  21   }
  22 }