David Abrahams wrote:
>  "Walker, Daniel" <Daniel.Walker@[...].com> writes:
>  
>  
> >template <class T, class Size>
> >inline T next_n(T x, Size n)
> >{
> >    std::advance(x, n);
> >    return x;
> >}
> >
> >template <class T, class Size>
> >inline T prior_n(T x, Size n)
> >{
> >    std::advance(x, -n);
> >    return x;
> >}
> >
>  [...]
>  Seems reasonable to me, though I'd tend to call them next and prior.
>  

Indeed, there are different overloads.
So if you want next(iterator) it increments (by one), and if you need a specific 
size, just use next(iterator,size).

Same goes for prior().

Best,
John




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