locates a <code>map_array</code> that holds at most zero
elements.</td>
</tr>
<tr>
<td><code>map_array (const map_array &amp;c)</code></td>
<td>The copy constructor.</td>
</tr>
<tr>
<td><code>~map_array ()</code></td>
<td>Deallocates the <code>map_array</code> itself.</td>
</tr>
<tr>
<td><code>void reserve (size_type capacity)</code></td>
<td>
Changes the<code>map_array</code> capacity. It can hold at most<code>capacity</code> elements without reallocation. The capacity can be reduced such that <code>capaci