emory</strong>.
You are expected to construct and---if necessary---destroy objects
there yourself, using the APIs on <code>UnsafeMutablePointer&lt;Element&gt;</code>.
Typical usage stores a count and capacity in <code>Header</code> and destroys
any live elements in the <code>deinit</code> of a subclass.</p>
<blockquote>
<p>Note:
Subclasses must not have any stored properties; any storage needed should be included in <code>Header</code>.</p>
</blockquote>
</div><h3>Instance Variables</h3><div id="capacity-7b