hphp/hack/test/typecheck/inherited_constant.php

   1 <?hh //strict
   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 interface IFoo {
  13   const string DUCK = '123';
  14 }
  15
  16 class Foo implements IFoo {
  17 }
  18
  19 function foo(): string {
  20   return Foo::DUCK;
  21 }
  22