pan><span class="special">(),</span>
            <span class="identifier">begin</span><span class="special">()</span>
            <span class="special">+</span> <span class="identifier">pos</span><span class="special">}</span></code> that is not within <code class="computeroutput"><span class="identifier">str</span></code>
            if it exists, and <a class="link" href="../npos.html" title="basic_static_string::npos"><code class="computeroutput"><span class="identifier">npos</span></code></a> otherwise.