2011/1/20 Alex Shishkin <alexv...@mail.ru>:
> Following code causes error "Operator is not overloaded: "TObject" <
> "TObject""
> How to make it work?
>
> program generictest2;
> {$mode objfpc}{$H+}
> uses
> fgl;
> operator < (a: TObject; b: TObject): boolean;
> begin
> result := PtrInt(a) < PtrInt(b);
> end;
> type
> TMyMap = specialize TFPGMap <TObject, TObject>;
> begin
> end.
AFAIK TFPGMap can be specialized only with types which have the
relational operators predefined by the compiler. See also:
http://bugs.freepascal.org/view.php?id=15480
You can take a look on this container lib, which might be helpful for your task:
http://code.google.com/p/fprb/wiki/heContnrs
--
bflm
freepascal-bits.blogspot.com
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