/**
* This method returns the numerically lowest value.
*
* @access public
* @static
* @param IHashMap\Type $xs the left operand
* @param IHashMap\Type $ys the right operand
* @return IHashMap\Type the minimum value
*/
public static function min(IHashMap\Type $xs, IHashMap\Type $ys) : IHashMap\Type
{
return IHashMap\Module::compare($xs, $ys)->unbox() <= 0 ? $xs : $ys;
}
