 class="identifier">movable</span><span class="special">)</span> <span class="identifier">m</span><span class="special">)</span>
   <span class="special">{</span>  <span class="identifier">value_</span> <span class="special">=</span> <span class="identifier">m</span><span class="special">.</span><span class="identifier">value_</span><span class="special">;</span>   <span class="identifier">m</span><span class="special">.</span><span class="identifier">value_</span> <span class="special">=</span> <span class