title: assigning one structure/class object to another with operator "="
body: <p>I have structure <code>aa</code> and I'm trying to run such code:</p>
  
  <pre><code>aa * b = new aa;
  aa * c = new aa;
  c=b;
  delete (b);
  c.useSomeFunction
  </code></pre>
  
  <p>Can I use the object pointed to by <code>c</code> after destruction of <code>b</code>?</p>
  
  <p>The same question in case of:</p>
  
  <pre><code>aa * b = new aa;
  aa * c ;
  c=b;
  delete (b);
  c.useSomeFunction
  </code></pre>