title: C++ double subscript operator overload
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/6969881/operator-overload">Operator[][] overload</a>  </p>
  </blockquote>
  
  
  
  <p>I've looked on the internet but can't find a definitive answer to this question so here I am.</p>
  
  <p>I know that: <code>operator[][]()</code> is not a valid operator overloading, but is their a way to overload the [][] operator (used on <code>vector&lt;vector&lt;typename&gt;&gt;</code> for example).</p>
  
  <p>I need this because I'm doing a sort of wrapper class which contains a vector of vector, and I would have liked</p>