hphp/hack/test/decl/classes_inheritance.php

   1 <?hh
   2
   3 class A {
   4   public function a(): void {}
   5   public function b(): void {}
   6 }
   7
   8 class B extends A {
   9   public function b(): void {}
  10   public function c(): void {}
  11 }
  12
  13 interface C {
  14   public function c(): void;
  15 }
  16
  17 interface D extends C {
  18   public function d(): void;
  19 }
  20
  21 class E implements C {
  22   public function c(): void {}
  23 }
  24
  25 class F extends E implements D {
  26   public function d(): void {}
  27 }