hphp/hack/test/typecheck/shapes_remove_key.php

   1 <?hh // strict
   2 // Copyright 2004-present Facebook. All Rights Reserved.
   3
   4 class Ref<T> {
   5   public function __construct(public T $value) {}
   6 }
   7
   8 function test(shape('a' => int, 'b' => int, ...) $s): void {
   9   Shapes::removeKey(inout $s, 'a');
  10   $r = new Ref($s);
  11   $r->value['b'] = 0;
  12   $r->value = shape('a' => 1, 'b' => 2);
  13 }