[#81A755DD8B180E39465FEEB846D8B3E12F900F80]

<div id="81A755DD8B180E39465FEEB846D8B3E12F900F80">
    <div>
        <h2>Function <a href="#">url_view_base</a>::
has_authority</h2>
        <p><span>Return true if an authority is present</span></p>


    </div>

    <div>
        <h3>Synopsis</h3>
        <div>
            <code>
                            </code>
        </div>
        <pre class="source-code cpp">
            bool
has_authority() const noexcept;
        </pre>
    </div>

    <div>
        <h3>Description</h3>
        <p><span>This function returns true if the url</span> <span>contains an authority. The presence of</span>
<span>an authority is denoted by a double</span>
<span>slash ("//") at the beginning or after</span>
<span>the scheme.</span></p>

<h3>Example</h3>
<code>
assert( url_view( "http://www.example.com/index.htm" ).has_authority() );
</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 ]

URI             = scheme ":" hier-part [ "?" query ] [ "#" fragment ]

absolute-URI    = scheme ":" hier-part [ "?" query ]

URI-reference   = URI / relative-ref

relative-ref    = relative-part [ "?" query ] [ "#" fragment ]

hier-part       = "//" authority path-abempty
                ; (more...)

relative-part   = "//" authority path-abempty
                ; (more...)

</code>
<h3>Specification</h3>
<li><a href="https://datatracker.ietf.org/doc/html/rfc3986#section-3.2">3.2. Authority (rfc3986)</a></li>

    </div>



</div>