hphp/hack/test/typecheck/override_attr_07.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 abstract class A {
  13   abstract protected function foo();
  14 }
  15
  16 abstract class B extends A {
  17
  18   <<__Override>>
  19   public function foo(): void {}
  20
  21   abstract protected function bar();
  22 }
  23
  24 class C extends B {
  25
  26   <<__Override>>
  27   public function bar(): void {}
  28 }