For another reason using collections see this feature request: http://forums.4d.com/Post/DE/19953344/1/19953345#19954007
Regards Lutz Epperlein ________________________________________ Von: 4D_Tech [4d_tech-boun...@lists.4d.com] im Auftrag von Jim Dorrance via 4D_Tech [4d_tech@lists.4d.com] Gesendet: Freitag, 16. März 2018 13:44 An: 4D iNug Technical Cc: Jim Dorrance Betreff: Re: Collections Clearly explained. Thank you. On Fri, Mar 16, 2018 at 1:23 PM, Jeff Grann via 4D_Tech < 4d_tech@lists.4d.com> wrote: > Haven’t worked with them yet, but my understanding is that a collection is > an ordered list of values of possibly varying types. In 4D arrays, all of > the values must be the same type. In a 4D collection, you can use mixed > types as the elements. > > Example: > > $MyCollection[0]:=“Hello” > $MyCollection[1]:=5 > $MyCollection[2]:=$AnObject > $MyCollection[3]:=$AnArray > $MyCollection[4]:=True > > ---------- > Jeff Grann > SuccessWare, Inc. > > > On Mar 15, 2018, at 10:43 PM, Keith Goebel via 4D_Tech < > 4d_tech@lists.4d.com> wrote: > > > > Hi all. > > 4D seem to be really fired up about the new Collection object available > in upcoming versions. > > I’ve read the examples given in the blurb, but I have yet to read > anything that would give me an idea as to why I would want to use a > Collection instead of an Object. > > It seems as though Collections are objects that don’t need a name > parameter to identify the content; but if I have to name a Collection, > what’s the difference between that and an Object item? > > > > There must be a very good reason for them, and I am sure I’m missing the > point, but what is it?... > > Cheers, Keith > > ********************************************************************** > 4D Internet Users Group (4D iNUG) > FAQ: http://lists.4d.com/faqnug.html > Archive: http://lists.4d.com/archives.html > Options: https://lists.4d.com/mailman/options/4d_tech > Unsub: mailto:4d_tech-unsubscr...@lists.4d.com > ********************************************************************** > -- Jim Dorrance jim.dorra...@gmail.com 4...@dorrance.eu www.4d.dorrance.eu PS: If you know of anyone that needs an experienced 4D programmer to add energy and experience to their team, please let me know. I have experience in many areas. Reasonable rates. Remote or Paris only. ********************************************************************** 4D Internet Users Group (4D iNUG) FAQ: http://lists.4d.com/faqnug.html Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:4d_tech-unsubscr...@lists.4d.com ********************************************************************** ********************************************************************** 4D Internet Users Group (4D iNUG) FAQ: http://lists.4d.com/faqnug.html Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:4d_tech-unsubscr...@lists.4d.com **********************************************************************
