It seems that this issue can be fixed by modifying the = method in Association.<div><br></div><div><div>Association&gt;&gt;= anAssociation</div><div><span class="Apple-tab-span" style="white-space:pre">	</span>^ super = anAssociation</div>

<div><span class="Apple-tab-span" style="white-space:pre">		</span>and: [�</div><div><span class="Apple-tab-span" style="white-space:pre">			</span>value == anAssociation value</div><div><span class="Apple-tab-span" style="white-space:pre">				</span>ifTrue: [ true ]</div>

<div><span class="Apple-tab-span" style="white-space:pre">				</span>ifFalse: [ value = anAssociation value ] ]</div><div><br></div><div>Cheers...</div><br><div class="gmail_quote">On Sat, Dec 8, 2012 at 5:35 PM, Benoit St-Jean <span dir="ltr">&lt;<a href="mailto:bstjean@yahoo.com" target="_blank">bstjean@yahoo.com</a>&gt;</span> wrote:<br>

<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="font-size:10pt;font-family:arial,helvetica,sans-serif">Same behavior in Squeak 4.2 btw<br><div><span></span></div>

<div>�</div><div>-----------------<br>Benoit St-Jean<br>Yahoo! Messenger: bstjean<br>A standpoint is an intellectual horizon of radius zero.<br>(Albert Einstein)<br><blockquote style="border-left:2px solid rgb(16,16,255);margin-left:5px;margin-top:5px;padding-left:5px">

  <div style="font-family:arial,helvetica,sans-serif;font-size:10pt"> <div style="font-family:times new roman,new york,times,serif;font-size:12pt"> <div dir="ltr"> <font face="Arial"> <hr size="1">  <b><span style="font-weight:bold">From:</span></b> Ciprian Teodorov &lt;<a href="mailto:ciprian.teodorov@gmail.com" target="_blank">ciprian.teodorov@gmail.com</a>&gt;<br>

 <b><span style="font-weight:bold">To:</span></b> <a href="mailto:Pharo-project@lists.gforge.inria.fr" target="_blank">Pharo-project@lists.gforge.inria.fr</a> <br> <b><span style="font-weight:bold">Sent:</span></b> Saturday, December 8, 2012
 11:11:44 AM<br> <b><span style="font-weight:bold">Subject:</span></b> Re: [Pharo-project] strange == behavior<br> </font> </div><div><div class="h5"> <br><div>by the way, we have the same thing in 1.0, 1.1, 1.3.<br><br>

<div>On Sat, Dec 8, 2012 at 5:10 PM, Ciprian Teodorov <span dir="ltr">&lt;<a rel="nofollow" href="mailto:ciprian.teodorov@gmail.com" target="_blank">ciprian.teodorov@gmail.com</a>&gt;</span> wrote:<br>

<blockquote style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi guys,<div><br></div><div>Playing with some recursive data-structure I have found some strange piece of behavior in Pharo.</div>

<div><br></div><div>If in an workspace we try to evaluate:</div><div><br></div><div><div><font face="courier new, monospace">a := Association new.</font></div>
<div><font face="courier new, monospace">a key: 3.</font></div><div><font face="courier new, monospace">a value: a.</font></div><div><font face="courier new, monospace">a == a value.</font></div><div><br></div><div>the first time we get &quot;true&quot;, the second we get an infinite loop...�</div>




<div><br></div><div>A simple workaround is to declare &quot;a&quot;:</div><div><br></div><div><font face="courier new, monospace">|a|</font></div><div><div><font face="courier new, monospace">a := Association new.</font></div>




<div><font face="courier new, monospace">a key: 3.</font></div><div><font face="courier new, monospace">a value: a.</font></div><div><font face="courier new, monospace">a == a value.</font></div></div><div><font face="courier new, monospace"><br>




</font></div><div><font face="arial, helvetica, sans-serif">My question now is: Is this a bug or a feature ?</font></div><div><font face="arial, helvetica, sans-serif">By the way the same thing happens in 1.4 and 2.0 equally.</font></div>




<div><font face="arial, helvetica, sans-serif"><br></font></div><div><font face="arial, helvetica, sans-serif">By the way, in Pharo 2.0 doing cmd + . erases the lines selected in the workspace replacing them by &quot;.&quot;�</font></div>




<div><font face="arial, helvetica, sans-serif"><br></font></div><div>Cheers,</div><span><font color="#888888">-- <br><font color="#999999">Dr. Ciprian TEODOROV<br>Ing</font><span style="color:rgb(153,153,153)">�</span><font color="#999999">nieur�D�veloppement�CAO<br>




<br>t�l : 06 08 54 73 48</font><br><font color="#999999">mail :�<a rel="nofollow" href="mailto:ciprian.teodorov@gmail.com" target="_blank">ciprian.teodorov@gmail.com</a><br><a rel="nofollow" href="http://www.teodorov.ro/" target="_blank">www.teodorov.ro</a></font><br>





</font></span></div>
</blockquote></div><br><br clear="all"><div><br></div>-- <br><font color="#999999">Dr. Ciprian TEODOROV<br>Ing</font><span style="color:rgb(153,153,153)">�</span><font color="#999999">nieur�D�veloppement�CAO<br><br>t�l : 06 08 54 73 48</font><br>



<font color="#999999">mail :�<a rel="nofollow" href="mailto:ciprian.teodorov@gmail.com" target="_blank">ciprian.teodorov@gmail.com</a><br><a rel="nofollow" href="http://www.teodorov.ro/" target="_blank">www.teodorov.ro</a></font><br>


</div><br><br> </div></div></div> </div> </blockquote></div>   </div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><font color="#999999">Dr. Ciprian TEODOROV<br>Ing</font><span style="color:rgb(153,153,153)">�</span><font color="#999999">nieur�D�veloppement�CAO<br>

<br>t�l : 06 08 54 73 48</font><br><font color="#999999">mail :�<a href="mailto:ciprian.teodorov@gmail.com" target="_blank">ciprian.teodorov@gmail.com</a><br><a href="http://www.teodorov.ro/" target="_blank">www.teodorov.ro</a></font><br>


</div>