Metacello changes in Pharo 3?

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Metacello changes in Pharo 3?

MartinW
Hi,
it seems Metacallo changed in Pharo 3 compared to Pharo 2.
First thing i noticed was that a Configuration does no longer seem to be supposed to subclass from Object but from ConfigurationOf?
Are there other changes? Where can i learn about them? Is there an official documentation that describes the Metacello Version in Pharo 3?

Best regards, Martin.
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Re: Metacello changes in Pharo 3?

Sven Van Caekenberghe-2

On 13 Mar 2014, at 16:47, MartinW <[hidden email]> wrote:

> First thing i noticed was that a Configuration does no longer seem to be
> supposed to subclass from Object but from ConfigurationOf?

AFAIK that is not a requirement, maybe just a suggestion/option, but configurations subclassed from Object definitively still work in Pharo 3.x
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Re: Metacello changes in Pharo 3?

demarey
In reply to this post by MartinW
Hi,

I don't think there is a doc explaining differences between Metacello and Metacello 2 (also known as Metacello Preview) that is now used in Pharo 3.0.

You can also use Versionner to edit configurations in Pharo 3 (in the tools menu). Versionner doc:  http://chercheurs.lille.inria.fr/~demarey/Tech/Versionner

Regards,
Christophe.

Le 13 mars 2014 à 16:47, MartinW a écrit :

Hi,
it seems Metacallo changed in Pharo 3 compared to Pharo 2.
First thing i noticed was that a Configuration does no longer seem to be
supposed to subclass from Object but from ConfigurationOf?
Are there other changes? Where can i learn about them? Is there an official
documentation that describes the Metacello Version in Pharo 3?

Best regards, Martin.



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View this message in context: http://forum.world.st/Metacello-changes-in-Pharo-3-tp4749011.html
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Re: Metacello changes in Pharo 3?

MartinW
Christophe Demarey wrote
… Metacello 2 (also known as Metacello Preview) that is now used in Pharo 3.0.
Thank you, this was the missing information :)
And i just tried Versionner. It works very well. Thank you. I did not know about it's existence.
M.