p.html" title="Class variables_map">variables_map</a> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">bool</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="id-1.3.31.9.12.6.4"></a><h2>Description</h2>
<p>Concrete variables map which store variables in real map.</p>
<p>This class is derived from std::map&lt;std::string, variable_value&gt;, so you ca