uration
is less than the value of <code>other</code>.
                  
</dd>
        <dt id="operator &lt;=" class="callable">
          <span class="name"><a href="dart-core/Duration/operator_less_equal.html">operator <=</a></span><span class="signature">(<wbr><span class="parameter" id="<=-param-other"><span class="type-annotation"><a href="dart-core/Duration-class.html">Duration</a></span> <span class="parameter-name">other</span></span>)
            <span class="returntype parameter">&#8594; <a href="