ACF v3 to v4 repeater field update

// v3 deprecated
<?php  while(the_repeater_field('my-repeater')): ?>
<?php  $checkIfEmpty = get_sub_field('link'); ?>
<?php  endwhile; ?>
<?php  if ($checkIfEmpty != '') { ?>
<div>
  <ul>
    <?php  while(the_repeater_field('my-repeater')): ?>
      <li>
          <a href="<?php  the_sub_field('link'); ?>">
            <?php  the_sub_field('title'); ?>
          </a>
          <span><?php  the_sub_field('description'); ?></span>
      </li>
    <?php  endwhile; ?>
  </ul>
</div>
<?php  } ?>

// v4 attempted update

<?php if( have_rows('my-repeater') ): ?>
<div>
  <ul>
    <?php while( have_rows('my-repeater') ): the_row(); 
        $link = get_sub_field('link');
        ?>
        <li>
            <a href="<?php  the_sub_field('link'); ?>"><?php  the_sub_field('title'); ?></a> <span><?php  the_sub_field('description'); ?></span>
        </li>
    <?php endwhile; ?>
    </ul>
</div>
<?php endif; ?>