en return it to the caller.</span>
                <span class="keyword">if</span><span class="special">(</span><span class="identifier">is</span><span class="special">.</span><span class="identifier">fail</span><span class="special">()</span> <span class="special">&amp;&amp;</span> <span class="special">!</span> <span class="identifier">is</span><span class="special">.</span><span class="identifier">eof</span><span class="special">())</span>
                <span class="special">{</span>
                  