[fpc-pascal] Generics

[Damien Gerard]

Le Mar 31, 2008 à 3:20 PM, ik a écrit :
> After you define the generic you must first create a type for it:
>
> type
> TMyMcollection = specialize TMCollection<String>;
>

Sorry but it did not change anything.
Additionally, I would prefer to define the specialization in another  
unit.

> And use the TMyMcollection.
> It seems like hard work, but it is much better then the way it look on
> a bad C++ and Java code :)
>

:)


> Ido
>
> On Mon, Mar 31, 2008 at 4:00 PM, Damien Gerard  
> <milipili at shikami.org> wrote:
>>
>> I would like to make a generic class, like this :
>>
>> {$mode objfpc}
>>
>> generic TMCollection<_T> = class(TObject)
>> private
>>     FDefaultItem: _T;  // line 35
>> public
>>     constructor Create;
>>     destructor Destroy;override;
>>     [...]
>> end;
>>
>>
>> But I have got the following :
>> commons.pas(35,21) Error: Identifier not found "_T"
>> commons.pas(35,21) Error: Error in type definition
>> commons.pas(39,34) Error: Identifier not found "_T"
>> commons.pas(44,84) Error: Identifier not found "_T"
>>
>> According to the documentation, I should use `var private`, but I  
>> have
>> got :
>>
>> Compiling ./commons.pas
>> commons.pas(33,3) Error: VAR and TYPE are allowed only in generics
>> commons.pas(35,21) Error: Identifier not found "_T"
>>
>> Could someone tell me where I am wrong ?
>> Thanks !
>>
>>
>>
>> --
>> Damien Gerard
>> milipili at shikami.org
>>
>> "Intelligence is 10 million rules."
>>    -- Douglas Lenat
>>
>>
>>
>>
>>
>> _______________________________________________
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>>
>
>
>
> -- 
> http://ik.homelinux.org/
> _______________________________________________
> fpc-pascal maillist  -  fpc-pascal at lists.freepascal.org
> http://lists.freepascal.org/mailman/listinfo/fpc-pascal



--
Damien Gerard
milipili at shikami.org

"Intelligence is 10 million rules."
    -- Douglas Lenat