hphp/hack/test/typecheck/closure3.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 A {
  13   public int $called = 0;
  14
  15   public function foo($x) {
  16     $y = function($x) {
  17       $this->called++;
  18       return $x + 10;
  19     };
  20     return $y($x);
  21   }
  22 }