how to create a pointer, or is there a better solution ?
Diez B. Roggisch
deets at nospam.web.de
Sat Oct 13 15:21:18 CEST 2007
stef mientki schrieb:
> I've a program where users can make modules,
> by just dumping them in a certain directory,
> then they will dynamically link into the program if needed.
> One of the communication channels I use,
> is a general global file, which should be imported by all user modules.
> One of the things a user should be able to do is to create " global
> which should then be available in all the other program modules.
> So the global file contains a list, call JAL_Globals = ,
> where each user can append the globals he want to be exposed to the
> outside world (for read only).
> Now if these globals are complex items, no problem, I get pointers and
> can access them.
> But if these variables are simple, like integers, I get the value only
> once ;-)
> How can I create of dynamic pointers, even to simple variables ?
> Or is there a better way ?
Don't use a list, use a dictionary that has names mapped to values. Then
the problem goes away, because instead of mutating an object (which you
still can do), you can also rebind a new one -e.g like this:
JAL_Globals['name'] += 100
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