title: How to print an array of arrays?
body: <p>I'm getting stuck printing an array of array although I have checked the previous answer on how to print an array. I can't wrap my head around the functional way to do this in OCaml.</p>
  
  <p><a href="https://stackoverflow.com/questions/5761130/ocaml-printing-out-elements-in-an-array-of-int-lists">Ocaml: printing out elements in an array of int lists</a></p>
  
  <p>Suppose I have an array of array. How do I simply print this array?</p>
  
  <pre><code>mutable ch               : t array array;
  </code></pre>