Check for void/noreturn in conditionals

[hiphop-php.git] / hphp / hack / test / typecheck / suspend_operator_ok16.php

<?hh // strict

class A {
  public coroutine function f(): int {
    return 1;
  }
}

class B extends A {
  // ok - override coroutine method from the base class with coroutine method
  <<__Override>>
  public coroutine function f(): int {
    return 2;
  }
}