hphp/hack/test/typecheck/test_inter5.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 I {}
  13 class A implements I {}
  14 class B implements I {}
  15 class Z {}
  16
  17 function foo(Vector<I> $x): void {
  18   $x[32] = new A();
  19 }
  20 function callA(A $x): void {}
  21
  22 function bar(): void {
  23   $x = Vector { new A() };
  24   foo($x);
  25 }