>&amp;</span><span class="identifier">mr</span> <span class="special">);</span>                                       <span class="comment">// construct an array using our resource</span>
<span class="identifier">arr</span><span class="special">.</span><span class="identifier">emplace_back</span><span class="special">(</span> <span class="string">"boost"</span> <span class="special">);</span>                            <span class="comment">// insert a string</span>
<span class="identifier">assert</span><sp