Re: [boost] Interest in a clone_ptr class?

From: Thorsten Ottosen (thorsten.ottosen_at_[hidden])
Date: 2006-07-05 17:20:48

Matt Calabrese wrote:

> On 7/4/06, Thorsten Ottosen <thorsten.ottosen_at_[hidden]> wrote:
> 
>>I fail to see the relevance of boost::function is this context. It's not
>>exactly exposing any virtual functions in its interface.
>>
> 
> 
> The relevance is that it is an example of a type that has value semantics
> and that logically encapsulates different dynamic types that all share a
> common interface. This is the exact concept that you refer to as "extremely
> rare" 

I think it's ok to say boost::function is a *not* a very common type. 
It's one of a kind.

In OO programming, it is common to deep-clone a little here and there. 
It's not common to do it all the time.

-Thorsten