From: ratsonjaniv@hotmail.com (Mr. J.)
Subject: Re: please help - access and inheritence
Date: 8 Dec 2003 21:58:42 -0800
Date: 2003-12-08T21:58:42-08:00 [thread overview]
Message-ID: <fc116fae.0312082158.2f8b32ae@posting.google.com> (raw)
In-Reply-To: 1339724.UG9tll5RLS@linux1.krischik.com
10x, but it still doesn't compiled :
==========================================
for I in Arr'range loop
Process :
declare
Current_Vehicle : Jr.Vehicle.Vehicle'Class renames
Arr(I).all;
begin
if(Has_Exceeded(Current_Vehicle)) then
Put_Line("Exceeded");
end if;
end Process;
end loop;
===============================================
compile error :
q1.adb:79:16: no candidate interpretations match the actuals:
q1.adb:79:29: expected private type "Vehicle_Private" defined at
jr-vehicle-private_car.ads:5
q1.adb:79:29: found type "Vehicle'Class" defined at jr-vehicle.ads:7
q1.adb:79:29: ==> in call to "Has_Exceeded" at
jr-vehicle-private_car.ads:5(inherited)
q1.adb:79:29: ==> in call to "Has_Exceeded" at
jr-vehicle-passengers.ads:7
q1.adb:79:29: ==> in call to "Has_Exceeded" at jr-vehicle-load.ads:7
-------------------------------------------------------------------------
Martin Krischik <krischik@users.sourceforge.net> wrote in message news:<1339724.UG9tll5RLS@linux1.krischik.com>...
> Ratson Janiv wrote:
>
> > type Vehicleptr is access Jr.Vehicle.Vehicle'Class;
>
> An other poster allready pointed out that you need to use access all.
>
> > type Vehiclesarr is array (1..Maxvehilces) of Vehicleptr;
> >
> > Vp1,Vp2,Vp3,Vp4,Vp5: aliased Jr.Vehicle.Private_Car.Vehicle_Private;
> >
> > Arr(1) := Vehicleptr(Vp1'access); -- failed, why? please ...
>
> But maybee you would be better off using some container library i.E. the
> booch components:
>
> http://www.pushface.org/components/bc
>
> and since you are trying to store
>
> Vehicle'Class you might also want to look at the indefinte extension at:
>
> http://adacl.sourceforge.net
>
> Examples:
>
> http://adacl.sourceforge.net/html
> ______Include__AdaCL-SAR-Filter-Container__ads.htm
>
> http://adacl.sourceforge.net/html/sarDo-CommandLine__adb.htm#176_15
>
> The interesting Part: You won't need any access any more.
>
> With Regards
>
> Martin
next prev parent reply other threads:[~2003-12-09 5:58 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-07 0:47 please help - access and inheritence Ratson Janiv
2003-12-07 7:14 ` tmoran
2003-12-07 18:44 ` Jeffrey Carter
2003-12-08 4:46 ` Mr. J.
2003-12-08 18:07 ` Jeffrey Carter
2003-12-08 19:05 ` Martin Krischik
2003-12-08 19:17 ` Martin Krischik
2003-12-08 18:50 ` Martin Krischik
2003-12-09 5:58 ` Mr. J. [this message]
2003-12-09 16:55 ` Martin Krischik
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