1_3_34_5_54_2_1_1_1_5-bb">public member functions</a></span>
  <span class="identifier">result_type</span> <a class="link" href="callable_eval.html#id-1_3_34_5_54_2_1_1_1_5_1-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="identifier">Expr</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">Context</span> <span class="special">&amp;</span><span class="special">)</s