Re: Add symmetric operator+ to random_access_iterator_wrapper

[Christopher Jefferson <caj at cs dot york dot ac dot uk>]

Jonathan Wakely wrote:
> On Tue, Apr 19, 2005 at 05:30:16PM +0100, Christopher Jefferson wrote:
>
>
> > This patch adds missing overloads to operator+ of 
> > random_access_iterator_wrapper. (Note: This doesn't fix all the errors 
> > Jonathan reported, more patches to follow!)
>
>
> > @@ -499,6 +486,37 @@
> >     }
> >    };
> >
> > +  template<typename T>
> > +    random_access_iterator_wrapper<T>
> > +    operator+(random_access_iterator_wrapper<T> it, ptrdiff_t n)
> > +    {
> > +      random_access_iterator_wrapper<T> tmp = it;
> > +      return tmp += n;
> > +    }
>
>
> Since `it' is passed in by value, is `tmp' needed?
Nope.. I'll change it. Thanks :)

Chris