"identifier">insert</span><span class="special">(*</span><span class="identifier">it</span><span class="special">);</span>
   <span class="special">}</span>

   <span class="comment">//Change balance factor</span>
   <span class="identifier">membermultiset</span><span class="special">.</span><span class="identifier">balance_factor</span><span class="special">(</span><span class="number">0.9f</span><span class="special">);</span>

   <span class="comment">//Now test sg_sets</span>
   <span class="special">{<