hphp/hack/test/typecheck/null2.php

   1 <?hh // strict
   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 function foo(): int {
  13   $x = null;
  14   try {
  15     if($x !== null) {
  16       return $x;
  17     }
  18     else {
  19       throw new Exception('blah');
  20     }
  21   } catch (Exception $e) {
  22     return $x;
  23   }
  24 }