title: Use of "this" keyword in C++
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/1057425/is-excessive-use-of-this-in-c-a-code-smell">Is excessive use of this in C++ a code smell</a><br>
    <a href="https://stackoverflow.com/questions/2337540/when-should-you-use-the-this-keyword-in-c-closed">When should you use the "this" keyword in C++?</a><br>
    <a href="https://stackoverflow.com/questions/577243/is-there-any-reason-to-use-this">Is there any reason to use this-></a></p>
  </blockquote>
  
  
  
  <p>In C++, is the keyword <code>this</code> usually omitted? For example:</p>
  
  <pre><code>Person::Person(int age) {
      _age = age;
  }
  </code></pre>
  
  <p>As opposed to:</p>
  
  <pre><code>Person::Person(int age) {
      this-&gt;_age = age;
  }
  </code></pre>