How can I do this int to String transformation?
<p>I want to transform an <code>int</code> to a <code>String</code> such that:</p>

<blockquote>
  <p>0 -> "a"<br>
  1 -> "b"<br>
  2 -> "c"<br>
  and so on...</p>
</blockquote>

<p>How can I do this?</p>
