hphp/hack/test/typecheck/intersect_null1.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 get_arr(): array<int> { return varray[1]; }
  13 function foo(int $x) {}
  14
  15 function test() {
  16   foreach (get_arr() as $_) {
  17     $y = null;
  18     if (true) {
  19       $y = 2;
  20     } else {
  21       $y = 3;
  22     }
  23
  24     foo($y);
  25   }
  26 }