Re: deep copy or shallow copy?

From:
Victor Bazarov <v.bazarov@comcast.invalid>
Newsgroups:
comp.lang.c++
Date:
Tue, 22 Jul 2014 16:37:18 -0400
Message-ID:
<lqmi1v$t91$1@dont-email.me>
On 7/22/2014 4:28 PM, CHIN Dihedral wrote:

On Thursday, June 26, 2014 12:48:13 PM UTC+8, Juha Nieminen wrote:

mbalover2014@gmail.com wrote:

memcpy(&a1,&a2,sizeof(A));


I'm curious to know why you would even *want* to do that when you can

simply do a2=a1.

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Well, how about assigning an object
of a muti-inheritance subclass to
an objet of its parrent class.


What's a "parrent class"? Which one of {A,B} here:

     class B {}; class A : B {};

is the "parrent"?

Conversion from an object of the derived type to any of its
*unambiguous* base classes is well defined in C++ (and is a standard
conversion). Does it present a problem to you? Or are you talking
about a conversion from a base class to a derived class?

The headaques created by C++'s
  design in the language outweighted
its advance in teaching OOP.


Have you taught OOP using C++? Or have you been taught OOP using C++?

V
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