New inference: improved error message for unresolved type

[hiphop-php.git] / hphp / hack / test / typecheck / inout / bad_inout_use_call2.php

<?hh // strict

function multiply(inout num $n, num $m): void {
  $n *= (float)$m;
}

function test(): int {
  $x = 21;
  multiply(inout $x, 2);
  return $x;
}