Article View: pl.comp.lang.c
Article #309395Re: Podklasy, nie-wskaźniki a vector
From: bartekltg
Date: Fri, 18 Aug 2017 08:27
Date: Fri, 18 Aug 2017 08:27
18 lines
1806 bytes
1806 bytes
On Friday, August 18, 2017 at 9:13:10 AM UTC+2, Borneq wrote:
> class A {}
> class B:public A {dodatkowe pola}
> class C:public A {inne pola}
>
> Teraz mamy vector<A> vec;
> czy do wektora można wstawić B lub C?
Nie.
Zresztą, jakbyś chciał wstawić? ;-)
Jaką linijkę kodu być wpisał?
Zawsze (poza hakowaniem i kopiowaniem pamieci) będziesz
miał rzutowanie na A.
pzdr
bartekltg
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