[#174458CCBC143FC89E77A977CE62AFA268051DA8]

<div id="174458CCBC143FC89E77A977CE62AFA268051DA8">
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        <h2>Function <a href="#">url_view_base</a>::
host_address</h2>
        <p><span>Return the host</span></p>


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    <div>
        <h3>Synopsis</h3>
        <div>
            <code>
                            </code>
        </div>
        <pre class="source-code cpp">
            template<class StringToken = string_token::return_string>
StringToken::result_type
host_address(StringToken&& token) const;
        </pre>
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        <h3>Description</h3>
        <p><span>The value returned by this function</span> <span>depends on the type of host returned</span>
<span>from the function</span>
<span>host_type</span>
<span>.</span></p>

<li><span>If the type is</span>
<span>host_type::ipv4</span>
<span>,        then the IPv4 address string is returned.</span></li>
<li><span>If the type is</span>
<span>host_type::ipv6</span>
<span>,        then the IPv6 address string is returned,</span>
<span>without any enclosing brackets.</span></li>
<li><span>If the type is</span>
<span>host_type::ipvfuture</span>
<span>,        then the IPvFuture address string is returned,</span>
<span>without any enclosing brackets.</span></li>
<li><span>If the type is</span>
<span>host_type::name</span>
<span>,        then the host name string is returned.</span>
<span>Any percent-escapes in the string are</span>
<span>decoded first.</span></li>
<li><span>If the type is</span>
<span>host_type::none</span>
<span>,        then an empty string is returned.</span></li>
<h3>Example</h3>
<code>
assert( url_view( "https://[1::6:c0a8:1]/" ).host_address() == "1::6:c0a8:1" );
</code>
<h3>Complexity</h3>
<p><span>Linear in `this->host_address().size()`.</span></p>

<h3>Exception Safety</h3>
<p><span>Calls to allocate may throw.</span></p>

<h3>BNF</h3>
<code>
host        = IP-literal / IPv4address / reg-name

IP-literal  = "[" ( IPv6address / IPvFuture  ) "]"

reg-name    = *( unreserved / pct-encoded / "-" / ".")
</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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