hphp/hack/test/typecheck/missing_tparam3.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<T> {
  13   private T $x;
  14   public function __construct(T $x) {
  15     $this->x = $x;
  16   }
  17   public function get(): T {
  18     return $this->x;
  19   }
  20 }
  21
  22 class B extends A {}