title: Operator '.' vs '->' in C++
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/1238613/what-is-the-difference-between-the-dot-operator-and-in-c">What is the difference between the dot (.) operator and -&gt; in C++?</a>  </p>
  </blockquote>
  
  
  
  <p>What is the difference between the two? When do you use one instead of the other?</p>
  
  <p>There was once I tried to use '->' instead of '.' and I got "left operand has 'class' type, use '.'" error, what does it mean?</p>