ef="dart-core/Iterable/join.html">join</a></span><span class="signature">(<wbr>[<span class="parameter" id="join-param-separator"><span class="type-annotation"><a href="dart-core/String-class.html">String</a></span> <span class="parameter-name">separator</span> = <span class="default-value">""</span></span> ])
            <span class="returntype parameter">&#8594; <a href="dart-core/String-class.html">String</a></span>
          </span>
        </dt>
        <dd class="inherited">
          Converts each el