[#2298405A8B1EC36124CCC56046F902FCE009D31C]

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        <h2>Function <a href="#">authority_view</a>::
has_port</h2>
        <p><span>Return true if a port is present</span></p>


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        <h3>Synopsis</h3>
        <div>
            <code>
                            </code>
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        <pre class="source-code cpp">
            bool
has_port() const noexcept;
        </pre>
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        <h3>Description</h3>
        <p><span>This function returns true if an</span> <span>authority is present and contains a port.</span></p>

<h3>Example</h3>
<code>
assert( url_view( "wss://www.example.com:443" ).has_port() );
</code>
<h3>Complexity</h3>
<p><span>Constant.</span></p>

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

<h3>BNF</h3>
<code>
authority   = [ userinfo "@" ] host [ ":" port ]

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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