Re: [boost] Interest in a clone_ptr class?

From: Peter Dimov (pdimov_at_[hidden])
Date: 2006-07-05 18:20:51

Thorsten Ottosen wrote:

> If you not willing to accept that value-based programming and OO
> programming are different disciplines, we will never agree on this
> one. Period.

Entity/identity-based and value-based are different, no question. What is 
controversial is your claim that the mere presence of a virtual function by 
necessity implies that the identity of the object is important (as opposed 
to its value).

To give an example, in the texbook OO hierarchy Shape -> Circle, Square, ... 
the identities of the objects play no role, they are pure values. You can 
copy a collection of shapes and you'll have a perfect replica of the 
original.