Hi.

This is possible in Lazarus/FPC?:

type
  TFoo = record
    Value: string;
    function AsBoolean: Boolean;
  end;
function TFoo.AsBoolean: Boolean;
begin
  Result := StrToBoolDef(Value, False);
end;

In Delphi:

http://edn.embarcadero.com/article/34324

or:

http://delphi.about.com/od/adptips2006/qt/newdelphirecord.htm

or more:

http://www.google.com/search?sclient=psy&hl=en&site=&source=hp&q=method+for+record+delphi&btnG=Search

Thanks.

enjoy: http://wiki.lazarus.freepascal.org/FPC_New_Features_Trunk http://wiki.lazarus.freepascal.org/FPC_New_Features_Trunk ;)

Op 2011-03-16 04:24, silvioprog het geskryf:

That is the stupidest feature I have seen in Delphi. They simply rehashed something that existed since pre-Delphi v1, and then call it something "new". What you are looking for is the age old Object structure.

     TFoo = object
       Value: string;
       function AsBoolean: Boolean;
     end;

And yes, FPC supports the Object structure. ;)

Regards,
- Graeme -

And since beginning of this year FPC also supports the "advanced record" (you need a trunk version of course).

Regards,
Sven

Graeme Geldenhuys wrote

That is the stupidest feature I have seen in Delphi.

Two syntactical descriptions of the same thing are stupid but not that bad.

In fact IMHO, the stupid thing was to rename "record" to "object" in case that some elements were functions and later "TObject" was defined as a class and not as an object and thus the "object" Syntax needed to be depreciated..

So the advanced record structure tries to overcome this.

-Michael

2011/3/16 Graeme Geldenhuys :
[...]

But this way would not be possible to use something like this:

TFoo = record...

var
  VFoo: TFoo;
begin
  VFoo[0].Value := 'A';
  VFoo[1].Value := 'B';
...

:/

Regards, ?- Graeme -

2011/3/16 Sven Barth :

And since beginning of this year FPC also supports the "advanced record" (you need a trunk version of course).

Is there a copy snapshot compatible with that kind of record?

Regards, Sven

Oops,

2011/3/16 Sven Barth :

And since beginning of this year FPC also supports the "advanced record" (you need a trunk version of course).

Is there a snapshot copy compatible with that type of record?

... Sorry for my translation. ^^'

Regards, Sven

silvioprog wrote

Is there a snapshot copy compatible with that type of record?

Use FPC 2.5.1 snapshot. You can activate records with methods either by using {$mode delphi} or by {$modeswitch advancedrecords} in other modes.

Best regards,
Paul Ishenin

2011/3/16 Paul Ishenin :

Yes! Worked perfectely. /o/

My Laz/FPC:

Lazarus 0.9.31 r29435 FPC 2.5.1 i386-win32-win32/win64

Thx to all.

Best regards, Paul Ishenin

The only missing thing are normal constructors currently - class constructors do work (@Paul: or did you already enable them?)

Regards,
Sven

Sven Barth wrote

The only missing thing are normal constructors currently - class constructors do work (@Paul: or did you already enable them?)

No. Florian thought to assist me regards record constructors but he has no time. I don't have a free time to invest into FPC currently :(

Best regards,
Paul Ishenin

Oh. Ok.

Regards,
Sven