 class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="special">*</span><a class="link" href="../iterator/functions/prior.html" title="prior"><code class="computeroutput"><span class="identifier">prior</span></code></a><span class="special">(</span><a class="link" href="../sequence/intrinsic/functions/end.html" title="end"><code class="computeroutput"><span class="identifier">end</span></code></a><span class="special">(</span><span class="identifier">arr</span><span class="specia