> Le 16 mars 2018 à 03:43, Keith Goebel via 4D_Tech <4d_tech@lists.4d.com> a
> écrit :
>
> 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?
I think i you use arrays you already use collections… I had from older versions
object constructed with OB set array. To read the object after I used:
case of
:(is object)
:(is array object)
end case
Since v16r5 the second test din't work no more and I had to replace: "is
collection". So in my understanding an object array was just a collection of
same things.
From here:
<http://doc.4d.com/4Dv16R5/4D/16-R5/Data-Types.300-3482000.en.html>
"Collection variables store JSON arrays."
--
Arnaud
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