Re: How does one model behavior?
From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Wed, 09 Apr 2008 18:28:08 -0300
Message-ID: <47fd34eb$0$4032$9a566e8b_at_news.aliant.net>
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> I'm not really asking at the code level. I think a message specifies an
> operator, not a method.
Date: Wed, 09 Apr 2008 18:28:08 -0300
Message-ID: <47fd34eb$0$4032$9a566e8b_at_news.aliant.net>
David Cressey wrote:
> "Leslie Sanford" <jabberdabber_at_bitemehotmail.com> wrote in message
> news:47fcd175$0$11371$4c368faf_at_roadrunner.com...
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>>"David Cressey" wrote: >> >>>"Dmitry A. Kazakov" wrote: >>> >>>>David Cressey wrote: >>>> >>>> >>>>>How does one model behavior? >>>> >>>>Behavior of what? Of the program, of a physical system? >>>> >>>> >>>>>It would seem to me that, since conveying behavior from one object to >>>>>another rests on messages, and since messages are made of data,
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>>>>>one needs a data model for the messaging system before one begins to >>>>>come up with a bhavior model for a system of collaborating objects. >> >><snip> >> >>>>To your point about messages parameters. >>> >>>I didn't mention parameters. I don't know what you mean. >> >>As I understand it, sending an object a message at the code level means >>invoking one of its methods. A method takes zero to many parameters, or >>arguments. When you say that messages are made up of data, my point of
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>>translates that to meaning the arguments passed to methods, i.e. the >>arguments are the data. Perhaps that's the impression Dimitry got as well. >>
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> I'm not really asking at the code level. I think a message specifies an
> operator, not a method.
Are you saying the message is a symbol? Operators are symbols. Received on Wed Apr 09 2008 - 23:28:08 CEST