I'm not sure whose post you're responding to Bob. Where do you see something that amounts to a statement being passed as a referenced parameter? Pete
On Mon, Mar 12, 2012 at 3:04 PM, Bob Sneidar <b...@twft.com> wrote: > Just weighing in here, that would be a bit confusing. Passing by reference > means that the command or function has access to the variable passed to it. > By passing what amounts to a statement, there is nothing for LC to > manipulate on the other end. Statements have to have some place to put the > results. In this case, there is no place for LC to put the statement when > passed by reference. > > Even a reference to an element of an array is a statement of sorts. That > the command is in essence the characters for key delimiters [] doesn't > change that. The array that is an element in a multidimensional array is > not itself a container. The array is the container. To work with it you > have to put it into it's own container then pass the new array by reference. > > I hope that makes sense. At least it does to me. :-) > > Bob > > > On Mar 10, 2012, at 11:53 AM, Dar Scott wrote: > > > Thanks for the tip, Dick, on using the list of keys. One can think of > arrays as nested or multidimensional. > > > > On Mar 10, 2012, at 1:06 AM, Dick Kriesel wrote: > >> I agree it'd be good if LC could accept any array reference for > invoking a handler that specifies pass-by-reference. > > > > Though is is probably more work, one might also consider chunks in > pass-by-reference. > > > > Maybe any thing the subtract command can take. > > > > However, this might be a problem: > > > > doSomethingToTheseTwo char 1 to 2 of it, char 2 to 3 of it > > > > command doSomethingToTheseTwo @a, @b > > put "butter" into a > > put "cheese" into b > > put empty into a > > end doSomethingToTheseTwo > > > > That might also have a problem with this call: > > > > doSomethingToTheseTwo x, x["t"] > > > > I immagine LiveCode folks can come up with a semantics that makes sense > for weird cases. > > > > The subtract command does not have the the problem because it modifies > only one thing. > > > > Dar > > > > > > _______________________________________________ > > 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 > > -- Pete Molly's Revenge <http://www.mollysrevenge.com> _______________________________________________ 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
