 to the set.
	</dd>
	
	<dt><code><b>sequence</b>()</code></dt>
	<dd>
		Returns an iterator for use with the <code>for</code> statement of Lua.
		The <code>for</code> variables receive the current value and the previous value, respectively.
	</dd>
	
</dl>

<h2>Remarks</h2>

<ul>
	
	<li>
		Instances cannot store the name of class members as strings.
		To do so, use the class operations over an empty table like in the following example:
		<pre>
OrderedSet = require "loop.collection.OrderedSet"
set = {}
Ordered