Yes, I saw namespace in the wiki. Are you saying that declaring a variable to be local or global is in fact referring to a namespace? In that case I am using the wrong term when I call it scope.
Bob On Jul 8, 2011, at 4:45 AM, Jim Ault wrote: > > On Jul 7, 2011, at 9:11 AM, Bob Sneidar wrote: > >> I don't think it's a bug IMHO. How can a variable in the same script have 2 >> scopes? How would the app know which you were talking about when you used it? >> >> Bob >> > > > I think you should consider the word 'namespace'. This means objects, > processes, variables (reserved memory registers) are always created in some > sort of namespace. > > A real world example would be your refrigerator in your kitchen. All of your > neighbors have a refrigerator, but the contents of their freezer is > independent of your freezer. Their refrigerator is in a different namespace. > > For an app running on Windows, Mac, Linux, etc. there are always system > variables that are accessible by those processes, and those processes make > some of their variables available to others. > > Your question ' How would the app know which you were talking about when you > used it?' > is that the app always knows the full path namespace of objects, variables, > process threads, sockets, ... just as you would automatically know if you > were opening your own refrigerator or your neighbor's. Variables cannot > float around in computer memory on their own. Operating systems that allow > that would crash constantly. > > So, the fact that you get to refer to a variable by is 'short name' in a > script does not mean there isn't a namespace definition in play. If you > observe carefully in the Variable Watcher window, you can see more that one > entry in the list for a particular variable name, and this means multiple > declarations are active, and you should correct your scripting to 'make this > go away' > > The result of the previous condition will let Livecode resolve the ambiguity > of which variable to manipulate. > > Hope this helps, and I welcome comments on how my discussion is inaccurate or > misinformed. > > > > Jim Ault > Las Vegas > > > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
