</strong></span> is a <span class="emphasis"><em>collection
            of samples</em></span>, that
          </p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
                is forward iterable,
              </li>
<li class="listitem">
                can be queried for its <code class="computeroutput"><span class="identifier">size</span></code>,
                which in turn can be infinite,
              </li>
<li class="listitem">
         