title: What does the symbol ^ mean in Objective-C?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/1912023/caret-in-objective-c">Caret in objective C</a>  </p>
  </blockquote>
  
  
  
  <p>I just want to know what this ^ symbol means in Objective-C.</p>