[#A203BFA7746CCBBE994790418DDF894F9A7D9802]

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        <h2>Function <a href="#">ipv6_address</a>::
is_unspecified</h2>
        <p><span>Return true if the address is unspecified</span></p>


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        <h3>Synopsis</h3>
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            <code>
                            </code>
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        <pre class="source-code cpp">
            bool
is_unspecified() const noexcept;
        </pre>
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        <h3>Description</h3>
        <p><span>The address 0:0:0:0:0:0:0:0 is called the</span> <span>unspecified address. It indicates the</span>
<span>absence of an address.</span></p>

<h3>Specification</h3>
<li><a href="https://datatracker.ietf.org/doc/html/rfc4291#section-2.5.2">            2.5.2. The Unspecified Address (rfc4291)</a></li>

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