     </h7><p>
            Strong guarantee. Calls to <code class="computeroutput"><span class="identifier">memory_resource</span><span class="special">::</span><span class="identifier">allocate</span></code>
            may throw.
          </p>
<h7><a name="json.ref.boost__json__string.swap.overload2.h5"></a>
            <span class="phrase"><a name="json.ref.boost__json__string.swap.overload2.parameters"></a></span><a class="link" href="overload2.html#json.ref.boost__json__string.swap.overload2.parameters