hphp/hack/test/enum_class/typing/typing4.bad.php

   1 <?hh
   2 // Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
   3 <<file: __EnableUnstableFeatures('enum_class')>>
   4
   5 interface ExBox {}
   6
   7 class Box<T> implements ExBox {
   8   public function __construct(public T $data) {}
   9 }
  10
  11 // only types without free parameters are allowed
  12 enum class E : Box<T> {
  13   A<Box<string>>(new Box('zuck'));
  14 }