On Mon, Nov 14, 2011 at 23:03, Jonas Maebe <jonas.ma...@elis.ugent.be>wrote:
> > On 13 Nov 2011, at 17:56, Graeme Geldenhuys wrote: > > > On 12/11/2011, ik <idokan@....> wrote: > >> > >> procedure foo(AClass : TStrings); > >> foo(MyStringList); // Will return an error that TStrings is expected ... > >> > >> I can not use TStringList as the parameter without casting it to > TStrings. > >> But I do not understand why this limitation added. Can you please > explain > >> it to me ? > > > > I ran into the exact same issue this week, and also can't understand > > why this is not allowed any more. It *is* allowed in Delphi (at least > > D7). > > It's not allowed in Delphi in case of a var/out parameter. It's allowed in > both FPC and Delphi in case of a value/const parameter. > Sorry for the late response, but why does out and var limit this issue ? I understand that it does, but not the reason for it. > > > The other issue I have is passing a property value via a var or const > > parameter. I used this a lot in my code too, and it worked for years > > without problems. This again, is supported in Delphi too. > > No, it is not allowed by Delphi (at least not passing a property to a > var-parameter; passing it to a const parameter is allowed by both FPC and > Delphi). > > > Jonas_______________________________________________ > fpc-pascal maillist - fpc-pascal@lists.freepascal.org > http://lists.freepascal.org/mailman/listinfo/fpc-pascal >
_______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal