Re: [Boost-users] iteration from pure abstract classes

From: David Abrahams (dave_at_[hidden])
Date: 2005-12-06 15:43:39

Hugh Hoover <hugh_at_[hidden]> writes:

> On Dec 3, 2005, at 15:44, David Abrahams wrote:
>
>> Hugh Hoover <hugh_at_[hidden]> writes:
>>
>>> I have a need to provide STL compliant iterators from an abstract
>>> class A, that is, without knowing the runtime type of the actual
>>> "collection" being iterated..  As near as I can tell, these things
>
> <snip>
>
>> Have you looked at boost::indirect_iterator?  Just make a container of
>> pointers to the abstract base and iterate over that :)
>
> Thanks for the suggestion, but that won't really work.

Why?

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com