hphp/test/slow/inlining/nullthrows1.php

   1 <?hh // strict
   2
   3 function nullthrows<T>(?T $x, ?string $message = null, mixed ...$sprintf_args): T {
   4   if ($x !== null) {
   5     return $x;
   6   }
   7
   8   if ($message === null) {
   9     $message = 'Got unexpected null';
  10   }
  11
  12   throw new Exception($message);
  13 }
  14
  15
  16 function main(C $obj): void {
  17   var_dump(nullthrows($obj));
  18 }
  19
  20 class C { }
  21
  22 $obj = new C();
  23
  24 main($obj);
  25 main($obj);
  26 main($obj);
  27 main($obj);
  28 main($obj);