/**
* This method compares the specified object with the current object for order.
*
* @access public
* @static
* @param IArrayList\Type $xs the left operand
* @param IArrayList\Type $ys the object to be compared
* @return ITrit\Type whether the current object is less than,
* equal to, or greater than the specified
* object
*/
public static function compare(IArrayList\Type $xs, IArrayList\Type $ys) : ITrit\Type
{
$xsl = $xs->length();
$ysl = $ys->length();
$length = IInt32\Module::min($xsl, $ysl);
for ($i = IInt32\Type::zero(); IInt32\Module::lt($i, $length)->unbox(); $i = IInt32\Module::increment($i)) {
$r = $xs->item($i)->compare($ys->item($i));
if ($r->unbox() != 0) {
return $r;
}
}
return ITrit\Type::box($xsl->unbox() <=> $ysl->unbox());
}
