[fpc-pascal] Interface syntax: Is possible don't use specialize in mode objfpc?

[Sven Barth]

On 16.07.2015 19:21, Michael Van Canneyt wrote:
> The whole generics mess that Delphi made goes completely against the
> Pascal dictum that you must declare something before you can use it.
>
> To me, the above verbose construction makes absolute sense. It has been
> so since day 1:
>
> PRecord = ^TRecord;
> TRecord = record
>    a : integer;
>    next : PRecord;
> end;

For things like the following you can't use the "declare before use" 
paradigm however:

=== code begin ===

type
   generic ITest<T> = interface
     function Foo: T;
   end;

   generic TTest<T> = class(TInterfacedObject, specialize ITest<T>)
     function Foo: T;
   end;

=== code end ===

Regards,
Sven