dart-core/Object-class.html">Object</a></span> <span class="parameter-name">obj</span> = <span class="default-value">""</span></span> ])
    </section>
    <section class="desc markdown">
      <p>Converts <code>obj</code> to a String by invoking <a href="dart-core/Object/toString.html">Object.toString</a> and 
adds the result to <code>this</code>, followed by a newline.</p>
    </section>
    
    <section class="summary source-code" id="source">
      <h2><span>Implementation</span> </h2>
      <pre class