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From: Angus Leeming (angus.leeming_at_[hidden])
Date: 2004-02-12 07:31:26

David Abrahams wrote:
> Huh?
> CategoryOrTraversal
> Now we have to determine which iterator traversal concept our
> node_iterator is going to model. Singly-linked lists only have
> forward links, so our iterator can't can't be a bidirectional
> traversal iterator. Our iterator should be able to make multiple
> passes over the same linked list (unlike, say, an istream_iterator
> which consumes the stream it traverses), so it must be a forward
> traversal iterator. Therefore, we'll pass
> boost::forward_traversal_tag in this position [1].
> [1] iterator_facade also supports old-style category tags, so we
> could have passed std::forward_iterator_tag here; either way, the
> resulting iterator's iterator_category will end up being
> std::forward_iterator_tag.
> What am I missing?

I am obviously blind and brain dead. Apologies for the noise.

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