Subject: Re: [Boost-users] A forward iterator need not be default-constructible
From: Krzysztof Żelechowski (giecrilj_at_[hidden])
Date: 2011-09-30 06:16:08
Dave Abrahams wrote:
> make it copyable, for example. A wrapper over a plain pointer could
> initialize the pointer to 0. Now it's a valid past-the-end iterator
> into an array of length zero. Such an iterator is also comparable with
> other iterators into the same sequence. That's actually far from
> being minimally singular.
>
I doubt there may be a sequence of length 0 at NULL. How would you allocate
such a sequence?
Chris