<a name="beast.ref.boost__beast__span.const_reference"></a><a class="link" href="const_reference.html" title="span::const_reference">span::const_reference</a>
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<p>
- <a class="indexterm" name="idm45886635681168"></a>
+ <a class="indexterm" name="idm45873484874032"></a>
The const reference used by the container.
</p>
<h6>