<br><br><div class="gmail_quote">On Sat, May 16, 2009 at 9:29 AM, Hernán Morales Durand <span dir="ltr"><<a href="mailto:hernan.morales@gmail.com">hernan.morales@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Dolphin:<br>
#becomeAn:<br>
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VisualAge:<br>
#fixClassTo: , #changeToClass:<br>
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VisualWorks:<br>
#changeClassTo:, #changeClassToThatOf:</blockquote><div><br></div><div>Note that VW's #changeClassTo: is built upon Behavior>>adoptInstance: which is a much better primitive for the VM to implement since it can assume the receiver is a valid behaviour. The changeClassToThatOf: primitive is also designedto avoid checking for a valid behaviour. If I were to attempt to standardize I would do so based on adoptInstance:.</div>
<div><br></div><div><br></div><div><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><br>
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But every Smalltalk has its own particularities and specific conditions.<br>
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2009/5/16 Sophie <<a href="mailto:itsme213@hotmail.com">itsme213@hotmail.com</a>>:<br>
> On 2009-05-12 18:31:34 -0500, Hernán Morales Durand<br>
> <<a href="mailto:hernan.morales@gmail.com">hernan.morales@gmail.com</a>> said:<br>
><br>
>> #primitiveChangeClassTo:<br>
>><br>
>> You can see a working example in the Instances Browser :<br>
>> <a href="http://www.squeaksource.com/LightweightClasses.html" target="_blank">http://www.squeaksource.com/LightweightClasses.html</a><br>
><br>
> Is this portable across Smalltalks, or Squeak-specific?<br>
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