[PD] first exercise with data structures
reduzent at gmail.com
Tue May 28 16:35:35 CEST 2013
On Die, 2013-05-28 at 11:25 +0200, João Pais wrote:
> > Probably this has already been covered as a limitation and may I haven't
> > really understood it. There is one thing troubling me at the moment.
> > From what I can see, you can easily get data out of your data structure.
> > And for what I am trying, editing data manually/per GUI is quite easy.
> > But how to set data programmatically, i.e. by message? As you can only
> > change a certain scalar by setting a pointer to it, the only way I see
> > is to traverse all scalars until you find the one you want to change. Is
> > this currently the only way to change a property of a particular scalar?
> yes, you can only get or set data if you point to the relevant scalar.
> clicking allows you to get a pointer (for any method you want), but if you
> do everything with the program, you need to traverse until you get it
> for that I usually create an identifier (number, symbol, whatever) that I
> use to confirm if I have the correct reference before editing it. the
> method was explained in a previous mail.
> I guess the way you get the relevant pointer will vary on the program,
> difference contexts have different needs.
Yeah, it depends on the data. I'm currently working with a rectangular
grid of scalars and I figured I can easily translate the scalar's
coordinates to the right number of 'next' messages in order to move the
pointer to the desired scalar.
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