hphp/test/slow/parenthesized_calls_more.php

   1 <?hh
   2 // Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
   3
   4 class Foo {
   5   public function __construct(public (function(): void) $f)[] {}
   6   public function f(): void { echo "f: method\n"; }
   7
   8   public static ?(function(int): int) $bar = null;
   9   <<__DynamicallyCallable>> public static function pred(int $x): int { return $x - 1; }
  10   public static function bar(int $x): int  { return 2 * $x; }
  11  }
  12
  13 <<__EntryPoint>>
  14 function main(): void {
  15   $e = new Foo(() ==> { echo "f: attribute\n"; });
  16   $e->f(); // f:method
  17   ($e->f)(); // f:attribute
  18
  19   Foo::$bar = $x ==> $x + 1; // succ
  20   $bar = "pred"; //pred
  21   var_dump((Foo::$bar)(10)); // int(11)
  22   if (Foo::$bar) {
  23     var_dump(Foo::$bar(10)); // int(9)
  24   }
  25   var_dump(Foo::bar(10)); // int(20)
  26 }