hphp/hack/test/typecheck/fake_members7.php

   1 <?hh // partial
   2 /**
   3  * Copyright (c) 2014, Facebook, Inc.
   4  * All rights reserved.
   5  *
   6  * This source code is licensed under the MIT license found in the
   7  * LICENSE file in the "hack" directory of this source tree.
   8  *
   9  *
  10  */
  11
  12 function do_something(): void {
  13 }
  14
  15 class X {
  16   private mixed $x;
  17
  18   public function __construct() {
  19     $this->x = '';
  20   }
  21
  22   public function getX(): Z {
  23     if($this->x is Z) {
  24       return $this->x;
  25     }
  26     return new Z();
  27   }
  28 }
  29
  30 class Z {}