comma operator and comma seperator in c++
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/3128346/when-all-does-comma-operator-not-act-as-a-comma-operator">When all does comma operator not act as a comma operator?</a>  </p>
</blockquote>



<p>when does comma(,) behave as operator and when does it behave as separator?And what are the consequences of it.If possible please give small examples too for both.</p>
