[#54787BCE80961ACBE2B86DE5598039E1C2969DE5]

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        <h2>Function <a href="#">url_base</a>::
set_fragment</h2>
        <p><span>Set the fragment.</span></p>


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        <h3>Synopsis</h3>
        <div>
            <code>
                            </code>
        </div>
        <pre class="source-code cpp">
            url_base&
set_fragment(core::string_view s);
        </pre>
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        <h3>Description</h3>
        <p><span>This function sets the fragment to the</span> <span>specified string, which may be empty.</span>
<span>An empty fragment is distinct from</span>
<span>having no fragment.</span>
<span>Reserved characters in the string are</span>
<span>percent-escaped in the result.</span></p>

<h3>Example</h3>
<code>
assert( url("?first=john&last=doe" ).set_encoded_fragment( "john doe" ).encoded_fragment() == "john%20doe" );
</code>
<h3>Postconditions</h3>
<code>
this->has_fragment() == true && this->fragment() == s
</code>
<h3>Complexity</h3>
<p><span>Linear in `this->size() + s.size()`.</span></p>

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

<h3>BNF</h3>
<code>
fragment    = *( pchar / "/" / "?" )
</code>
<h3>Specification</h3>
<li><a href="https://datatracker.ietf.org/doc/html/rfc3986#section-3.5">3.5.  Fragment</a></li>

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