hphp/hack/test/typecheck/traversable_foreach3.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 function foo2(Traversable<string> $p) {
  13   foreach ($p as $k => $v) {
  14     f1($k);
  15     f2($v);
  16   }
  17 }
  18
  19 function f1(int $k) {}
  20
  21 function f2(string $v) {}
  22