[fpc-devel] Array assignment operator
gennadyagranov at gmail.com
Sun Nov 4 20:36:25 CET 2018
On 11/4/2018 11:24 AM, Sven Barth via fpc-devel wrote:
> Am So., 4. Nov. 2018, 12:23 hat Schindler Karl-Michael
> <karl-michael.schindler at web.de <mailto:karl-michael.schindler at web.de>>
> > Am 04.11.2018 um 12:00 schrieb Ben Grasset <operator97 at gmail.com
> <mailto:operator97 at gmail.com>>:
> > From: Ben Grasset <operator97 at gmail.com
> <mailto:operator97 at gmail.com>>
> > To: FPC-Devel users discussions <fpc-devel at lists.freepascal.org
> <mailto:fpc-devel at lists.freepascal.org>>
> > Subject: Re: Array assignment operator
> > Message-ID:
> <CAL4d7FjPfX-ysT6Z3--fhPR9Pts-N47ksFN6m2pHD7SunzwpJg at mail.gmail.com
> <mailto:CAL4d7FjPfX-ysT6Z3--fhPR9Pts-N47ksFN6m2pHD7SunzwpJg at mail.gmail.com>>
> > Content-Type: text/plain; charset="utf-8"
> > On Sat, Nov 3, 2018 at 4:44 PM Gennady Agranov
> <gennadyagranov at gmail.com <mailto:gennadyagranov at gmail.com>>
> > wrote:
> >> Hi,
> >> Leaving aside the reason why the MiSchi's solution doesn't work
> the main
> >> question is still not answered :)
> >> If you have integer dynamic array "MyArray" is there a way for the
> >> following statement to compile and work correctly:
> >> MyArray := 5;
> > Uh, yes? That's what my example showed.
> In your example the length of the array was set to the number and
> the elements of the array assigned to their index, whereas my
> intention is to keep the length of the array and fill all elements
> to the same number.
> The operator always creates a new array and does not modify the
> existing one.
> You'd need to abuse a binary operator (e.g. >< or even <=) for this.
> fpc-devel maillist - fpc-devel at lists.freepascal.org
I was thinking that type helper might work - e.g. MyArray.SetValue(5)
and with using properties MyArray.Value := 5
But seems that even simple type helper is not working anymore?
E.g. I was not able to compile example from
TTypeHelper= type helperfor Integer
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the fpc-devel