On 14/03/13 7:59, Mattias Gaertner wrote:
Xiangrong wanted to know if the above array is initialized.
If you want to test that then you have to either single step via
the debugger or to compare the allocated memory before and after.
The problem is that you do not know the memory position before
On Wed, 13 Mar 2013 11:32:43 +
Howard Page-Clark wrote:
> On 13/03/13 9:50, Mattias Gaertner wrote:
> > On Wed, 13 Mar 2013 09:35:43 +
> > Howard Page-Clark wrote:
> >
> >> On 12/03/13 8:30, Xiangrong Fang wrote:
> >>> TMyClass = class
> >>> myarray: array[0..100] of Integer;
> >>>
Am 13.03.2013 10:45 schrieb "Xiangrong Fang" :
>>
>> Yes, in that case it will be Nil (Note: in the static case the elements
of the array would be 0).
>
>
> So, it is even OK to use SetLength() on static arrays? interesting.
No, I meant that the content of a static array will be initialized to zer
On 13/03/13 9:50, Mattias Gaertner wrote:
On Wed, 13 Mar 2013 09:35:43 +
Howard Page-Clark wrote:
On 12/03/13 8:30, Xiangrong Fang wrote:
TMyClass = class
myarray: array[0..100] of Integer;
end;
You could answer such questions yourself:
Not with this simple test.
[...]
my:
On Wed, 13 Mar 2013 09:35:43 +
Howard Page-Clark wrote:
> On 12/03/13 8:30, Xiangrong Fang wrote:
> > TMyClass = class
> > myarray: array[0..100] of Integer;
> > end;
> You could answer such questions yourself:
Not with this simple test.
>[...]
>my:=TMyClass.Create;
>try
>
>
> Yes, in that case it will be Nil (Note: in the static case the elements of
> the array would be 0).
>
So, it is even OK to use SetLength() on static arrays? interesting.
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Am 13.03.2013 10:08 schrieb "Xiangrong Fang" :
>
> Sorry the array should be dynamic, without [0..100].
>
>
Yes, in that case it will be Nil (Note: in the static case the elements of
the array would be 0).
Regards,
Sven
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On 12/03/13 8:30, Xiangrong Fang wrote:
TMyClass = class
myarray: array[0..100] of Integer;
end;
You could answer such questions yourself:
program Project1;
{$mode objfpc}
type
TMyClass = class
myarray: array of Integer;
end;
var my:TMyClass;
begin
my:=TMyClass.Create;
try
wri
Sorry the array should be dynamic, without [0..100].
2013/3/12 Xiangrong Fang
> Hi All,
>
> I have two simple questions:
>
> 1) As far as I know class variables in FPC are automatic initialize to the
> NULL value (e.g. 0 or "" or whatever), does that include dynamic arrays?
> e.g.
>
> TMyClass =
