title: How do you find Sean Parent's "Shoe laces and beans" data structure instead of tree
body: <p>I just watched Sean Parent's CppCon 2015 talk "<a href="https://www.youtube.com/watch?v=sWgDk-o-6ZE" rel="nofollow noreferrer">Better Code: Data Structures</a>", where he suggested a "Shoe laces and beans"
  data structure instead of tree.</p>
  
  <p><a href="https://i.stack.imgur.com/hZxOh.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/hZxOh.png" alt="enter image description here"></a></p>
  
  <p>How do you find it? Do you think this is better than tree? what would be its strength what's price?</p>