an>&#160;  std::unique_ptr&lt;paddle::framework::ProgramDesc&gt; <a class="code" href="structlac_1_1lac__buff__t.html#ac23a304f3b81914bb87c977c3b7f22ad">copy_program</a>; <span class="comment">/* [fluid] copy of</span></div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="comment">                                                    neural network representation */</span></div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;  std::unique