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Re: Overriding methods: msg#00083lang.smalltalk.squeak.beginners
Hi Blake! I've yet to find a situation where I can't put the code that would be in a constructor in C++ into #initialize. I suppose there are situations where that would be a bad idea, but I just haven't met them, or else I'm doing bad things (very likely). Every time I get that kind of a warning I treat it as a 'is there a better way?' flag. It'd be great if one of the non-newbies on this list could explain when (or why) it is a better idea to override #new rather than instantiate fields in #initialize or via lazy initialization. yours in confusion, John. > Hey, all: > > I figure this is a beginner question. > > I get a big warning when I override certain methods. (Class methods?) > > For example, if I want to set up the "contractless" part of my object, I > do so by overriding #basicNew, and then setting the values that allow the > instance of the object to function. This seems perfectly normal and > reasonable, but I get this big warning about how terrible it might be. > > I not even 100% clear on how it could be so terrible beyond that > particular class. (I guess it's possible in this way to create an object > that destabilizes the system?) > > Am I doing this wrong/non-optimally? (Maybe I should be overriding #new > instead of #basicNew, but I get the same dire warning for #new). > > ===Blake=== > > P.S. Seeing if this goes through; last message I sent warned me that I > wasn't on the mailing list. > _______________________________________________ > Beginners mailing list > Beginners@xxxxxxxxxxxxxxxxxxxxxxxxxx > http://lists.squeakfoundation.org/mailman/listinfo/beginners >
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