That should read "nesting arrays"... Putting one inside another. ~ Chris Innanen ~ Nonsanity
On Wed, Apr 27, 2011 at 5:10 PM, Nonsanity <f...@nonsanity.com> wrote: > Ah, yes multi-dimensional arrays are fully supported by LC. > > put "ABC" into myMDArray[ 1 ][ 3 ][ 2 ] > > LC allows for nexting arrays, so basically this is an array of arrays of > values, or a three dimensional array. > > ~ Chris Innanen > ~ Nonsanity > > > > On Wed, Apr 27, 2011 at 3:20 PM, Pete <p...@mollysrevenge.com> wrote: > >> I think maybe I used the wrong term. I see how the comma-delimited list >> would work for a one-dimensional list but I need a multi-dimensional list >> - >> still not sure if I have the right terminology, maybe "multi-level" would >> be >> better >> >> To use your example, starting off with A,B,C,D,E,F I need to be able to >> branch off from item A to A1,A2,A3, etc and any or all of A1,A2,A3 might >> need to branch off again, and so on. >> >> I guess LC arrays would work for this with each level being a subkey of >> the >> key above it. >> >> Pete >> Molly's Revenge <http://www.mollysrevenge.com> >> >> >> >> >> On Wed, Apr 27, 2011 at 11:45 AM, Nonsanity <f...@nonsanity.com> wrote: >> >> > Linked lists use pointers to allow the memory for the items to be >> allocated >> > as needed, and ties those pointers to each item for the next (and >> previous >> > for doubly-linked) so traversal code can hop from memory pocket to >> memory >> > pocket in the right order. >> > >> > Whereas an array in a language like C keeps all the items in sequential >> > memory locations so moving form one to the next is just a matter of >> adding >> > one to the pointer to the current item. >> > >> > In LiveCode, memory allocation and management is handled by the system. >> > >> > The old-school method of handling lists (and one I still use when order >> is >> > most important) is the good old comma-delimited list. Inserting and >> > deleting >> > is done with the "put x before/after" command or the "delete item x" >> > command. Access it direct by item number. >> > >> > put "A,B,C,D,E,F" into myList >> > delete item 5 of myList >> > put ",3" after item 2 of myList >> > put item 4 of myList into msg -- "C" >> > put item 2 to -2 of myList into msg -- "B,3,C,D" >> > put myList into msg -- "A,B,3,C,D,F" >> > >> > You can also use arrays, though if you are deleting items, you need to >> > access the list of keys. This can get more complex, since LC's arrays >> are >> > actually maps. >> > >> > ~ Chris Innanen >> > ~ Nonsanity >> > >> > >> > On Sun, Apr 24, 2011 at 8:08 PM, Pete <p...@mollysrevenge.com> wrote: >> > >> > > By chance, does anyone have an LC script for handling a linked list >> > > (navigating, inserting, deleting)? >> > > >> > > 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 >> > > >> > _______________________________________________ >> > 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 >> > > _______________________________________________ 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
