Re: [Opencxx-users] C++ design patterns

[SF M. E. <el...@us...>]

> First, please read my post again. I am not saying that you *need* pointers
> to express "special value".

How do you think about to return an object for your "special value" like it is done with the methods "begin" and "end" in a list class?
http://www.igpm.rwth-aachen.de/C++/STL_doc/List.html


> Third, I am not sure I fully understand your iterators example. The source
> of my confusion may be the fact that raw poiters are also valid STL
> iterators. Could you elaborate on what exactly you want to point out?

The STL encapsulates this behaviour with template classes.
So you are used to that kind of "magic".


> I am sorry, I do not understand the question. What copy semantics do I use
> where?

This topic deals with object identity and object equality.