b> = "k"</code></dt>
	<dd>
		Defines that matched values are weak references thus if other references to those values are lost then they becomes garbage.
	</dd>
	
</dl>

<h2>Remarks</h2>

<ul>
	<li>Each object instance keeps a mapping of the matched objects, therefore to restart comparisons without previous mapping you should create another object instance.</li>
	<li>Since it is only possible to check upvalue contents, matched functions are not guaranteed to produce the same effects since the upvalue variab