[#E79621EBCB93A0488ACBE2034E9C9CB6E2BF4F78]

<div id="E79621EBCB93A0488ACBE2034E9C9CB6E2BF4F78">
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        <h2>Function <a href="#">url_view_base</a>::
host_ipvfuture</h2>
        <p><span>Return the host IPvFuture address</span></p>


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        <h3>Synopsis</h3>
        <div>
            <code>
                            </code>
        </div>
        <pre class="source-code cpp">
            core::string_view
host_ipvfuture() const noexcept;
        </pre>
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        <h3>Description</h3>
        <p><span>If the host type is</span> <span>host_type::ipvfuture</span> <span>,        this function returns the address as</span>
<span>a string.</span>
<span>Otherwise, if the host type is not an</span>
<span>IPvFuture address, it returns an</span>
<span>empty string.</span></p>

<h3>Example</h3>
<code>
assert( url_view( "http://[v1fe.d:9]/index.htm" ).host_ipvfuture() == "v1fe.d:9" );
</code>
<h3>Complexity</h3>
<p><span>Constant.</span></p>

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

<h3>BNF</h3>
<code>
IPvFuture  = "v" 1*HEXDIG "." 1*( unreserved / sub-delims / ":" )
</code>
<h3>Specification</h3>
<li><a href="https://datatracker.ietf.org/doc/html/rfc3986#section-3.2.2">3.2.2. Host (rfc3986)</a></li>

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