What is the difference between these two uses of const in C++?
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/1143262/what-is-the-difference-between-const-int-const-int-const-int-const">what is the difference between const int*,  const int * const, int const *</a>  </p>
</blockquote>



<p>What is the difference between</p>

<pre><code>A const * pa2 = pa1;
</code></pre>

<p>and</p>

<pre><code>A * const pa2 = pa1;
</code></pre>

<p>(I have some class A for example).</p>
