I've also chosen ifNil route. However, in that case you either: - break encapsulation by providing accessors - have to invoke initializing method in every method that uses class instance variables or class variables
27.08.2014 20:31, kilon.alios [via Smalltalk] написав(ла): > yeah python does not need initialisation for class variables like it > does for instance variables, but then same applies for instance > variables, for example you can add instance variables and even instance > method after the instance is created , pharo does something similar too. > > Well OOP is a deep subject and this is an advanced topic that I would > not want to put in an introductionary chapter. > > I had issues with initialise on class side recently where i was told i > had to initialise the class myself instead I chose to go down the ifNil > route and initialise my class variables inside other methods. This way > I avoided the creation of an initialise method, and probably i will > avoid using it in the future too. From what I see most classes > (metaclasses) dont use an initialise method either. > > > On Wed, Aug 27, 2014 at 7:33 PM, webwarrior <[hidden email] > </user/SendEmail.jtp?type=node&node=4775110&i=0>> wrote: > > class-side initialize. > > I don't think it can be considered a metaprogramming in Smalltalk. > > In Python, yes, messing with metaclass is metaprogramming. But things > are a bit different there and metaclasses are very rarely used > [explicitly]. > > 27.08.2014 19:05, kilon.alios [via Smalltalk] написав(ла): > > > ok officially I am confused are we talking about initialise at the > > instance side or class side (metaclass) side ? > > > > I am a python coder myself but I have not done any > metaprogramming . > > > > If it is a metaprogramming thing then yes it wont go inside my intro > > chapter since this is advanced topic and metaprogramming is already > > covered by PBE on a separate chapter so that can be added there. > Since I > > am not experienced with metaprogramming it would be better if people > > experienced with Pharo and metaprogramming would write the > documentation . > > ------------------------------------------------------------------------ > View this message in context: Re: Unintuitive behavior of class-side > initialize > > <http://forum.world.st/Unintuitive-behavior-of-class-side-initialize-tp4775042p4775103.html> > Sent from the Pharo Smalltalk Users mailing list archive > <http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html> at > Nabble.com. > > > > > ------------------------------------------------------------------------ > If you reply to this email, your message will be added to the discussion > below: > http://forum.world.st/Unintuitive-behavior-of-class-side-initialize-tp4775042p4775110.html > > To unsubscribe from Unintuitive behavior of class-side initialize, click > here > <http://forum.world.st/template/NamlServlet.jtp?macro=unsubscribe_by_code&node=4775042&code=cmVnQHdlYndhcnJpb3Iud3N8NDc3NTA0MnwzOTM0MDk5MzI=>. > NAML > <http://forum.world.st/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml> > -- View this message in context: http://forum.world.st/Unintuitive-behavior-of-class-side-initialize-tp4775042p4775111.html Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.
