/**
* This method returns whether the iterator is still valid.
*
* @access public
* @final
* @return bool whether there are more objects
*/
public final function valid() : bool
{
return $this->i->unbox() < $this->xs->__length();
}
/**
* This method evaluates whether the left operand is identical to the right operand.
*
* @access public
* @static
* @param IArrayList\Type $xs the left operand
* @param Core\Type $ys the right operand
* @return IBool\Type whether the left operand is identical
* to the right operand
*/
public static function id(IArrayList\Type $xs, Core\Type $ys) : IBool\Type
{
// ===
if ($ys !== null) {
if ($xs->__typeOf() === $ys->__typeOf()) {
$x_length = $xs->__length();
$y_length = $ys->__length();
for ($i = 0; $i < $x_length && $i < $y_length; $i++) {
$p = IInt32\Type::box($i);
$r = $xs->item($p)->id($ys->item($p));
if (!$r->unbox()) {
return $r;
}
}
return IBool\Type::box($x_length == $y_length);
}
}
return IBool\Type::false();
}
