Iterator class for vector and basic_string

[Nathan Myers]

> 
> >>>>> Chip Salzenberg <chip@perlsupport.com>:
> 
> > According to Ryszard Kabatek:
> >> I wrote an iterator class for std::vector<> and std::basic_string<>.
> 
> > Could someone please fill me in on why that's necessary?  I thought
> > that plain old pointers were adequate iterators in these cases.
> 
> const_iterators and reverse_iterators are two uses that comes to mind.
> Don't remember offhand if these are mandated for basic_string.
 
the const_iterator for string is, currently, char const*.
The reverse_iterator for string is reverse_iterator<char*>.
When we have a better iterator these will of course change too.

Nathan Myers
ncm@cantrip.org