hphp/hack/test/typecheck/generator_ok_throw.php

   1 <?hh
   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
  13 async function test(?int $x): Awaitable<int> {
  14   if($x === null) {
  15     throw new Exception('Nooo');
  16   }
  17   return $x;
  18 }