On Jan 24, 2014, at 4:57 AM, &quot;Nicolai Hess [via Smalltalk]&quot; &lt;<a href="/user/SendEmail.jtp?type=node&node=4739061&i=0" target="_top" rel="nofollow" link="external">[hidden email]</a>&gt; wrote:
<br/>&gt; Do you know this places where ifNil:ifNotNil: is called?
<br/>&gt; If so, you coulde change them to ifWorldNil:ifWorldNotNil:
<br/>&gt; and implement this on World, ActiveWorld, NullWorld and UndefinedObject.
<br/>If I can't do it effectively with the compiler, that could be a good compromise. Thanks :)

	
	
	<div class="signature" style="margin-top:1em;color:#666666;font-size:11px;">
				Cheers,
<br/>Sean
			</div>
<br/><hr align="left" width="300" />
View this message in context: <a href="http://forum.world.st/Null-Object-Pattern-tp4738574p4739061.html">Re: Null Object Pattern</a><br/>
Sent from the <a href="http://forum.world.st/Pharo-Smalltalk-Developers-f1294837.html">Pharo Smalltalk Developers mailing list archive</a> at Nabble.com.<br/>