Chip,
I believe you can use the Type function on the zero array. Given ARRAY
LONGINT($aArray;0;0) you could call:
Type($array{0})
and it will return Array longint.
On Thu, Jun 1, 2017 at 3:14 PM, Chip Scheide via 4D_Tech <
4d_tech@lists.4d.com> wrote:
> I need to determine the type of a 2D array, which maybe empty (i.e.
> size 0 x 0), which is at the end of a pointer....
> In the method where the 2D array is declared Type(My_Array{0}) returns
> 18 (Array text)
> BUT when the 2D array is passed via pointer (to a component)
> Type($ptr->{0}) returns undefined in an interpreted database.
>
> Any ideas??
> Example (note all typed in email):
> Array text(My_Array;0;0)
>
> $type:=Type(My_Array{0}) //$Type = 18 -- Array text
> My_method(->My_array)
>
> //My_Method
> c_pointer($1;$Array)
> c_longint($Type)
>
> $Array:=$1
> $Type:=Type($Array->) //$Type = 13 -- Array 2D
>
> if ($Type= 13)
> $Type:=Type($Array->{0}) //$Type = 5 (interpreted) -- Is Undefined
> // WTF! ! ! !
> end if
>
>
> Thanks
> Chip
>
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San Francisco, CA
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