e header storage_sparse.hpp.</p>
<h4>Template parameters</h4>
<table border="1" summary="parameters">
<tbody>
<tr>
<th>Parameter</th>
<th>Description</th>
<th>Default</th>
</tr>
<tr>
<td><code>I</code></td>
<td>The type of index stored in the array.</td>
<td></td>
</tr>
<tr>
<td><code>T</code></td>
<td>The type of object stored in the array.</td>
<td></td>
</tr>
<tr>
<td><code>ALLOC</code></td>
<td>An STL Allocator</td>
<td>std::allocator</td>
</tr>
</tbody>
</table>
<h4>Model of</h4>
<p>Reversible Containe