[#228D776D409426D5835D0B91DB74DBB18A13B39B]

<div id="228D776D409426D5835D0B91DB74DBB18A13B39B">
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        <h2>Function <a href="#">authority_view</a>::
port_number</h2>
        <p><span>Return the port</span></p>


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        <h3>Synopsis</h3>
        <div>
            <code>
                            </code>
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        <pre class="source-code cpp">
            std::uint16_t
port_number() const noexcept;
        </pre>
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        <h3>Description</h3>
        <p><span>If a port is present and the numerical</span> <span>value is representable, it is returned</span>
<span>as an unsigned integer. Otherwise, the</span>
<span>number zero is returned.</span></p>

<h3>Example</h3>
<code>
assert( url_view( "http://localhost.com:8080" ).port_number() == 8080 );
</code>
<h3>Complexity</h3>
<p><span>Constant.</span></p>

<h3>Exception Safety</h3>
<p><span>Throws nothing.</span></p>

<h3>BNF</h3>
<code>
port        = *DIGIT
</code>
<h3>Specification</h3>
<li><a href="https://datatracker.ietf.org/doc/html/rfc3986#section-3.2.3">3.2.3. Port (rfc3986)</a></li>

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