t">// data to use as the attribute </span>
</pre>
<p>
          where the first element of the pair passed in as the data to generate is
          still associated with the first <code class="computeroutput"><span class="identifier">double_</span></code>,
          and the second element is associated with the second <code class="computeroutput"><span class="identifier">double_</span></code>
          generator.
        </p>
<p>
          This behavior should be familiar as it conforms to the way other inpu