fier">T</span><span class="special">,</span> <span class="identifier">unique_id</span> <span class="special">&gt;</span> <a class="link" href="typed_keyword.html#idp60321808-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><span class="identifier">T</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></d