hphp/hack/test/typecheck/class_meth9.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 {
  13   protected static function f1(string $s): int {
  14     return 1;
  15   }
  16
  17   public static function f2() {
  18     return class_meth('A', 'f1');
  19   }
  20
  21   public static function f3() {
  22     return class_meth(A::class, 'f1');
  23   }
  24 }
  25
  26 function foo(): int {
  27   $p = A::f2();
  28   return $p('moo');
  29 }
  30
  31 function bar(): int {
  32   $p = A::f3();
  33   return $p('moo');
  34 }