Boost logo

Boost :

From: Douglas Gregor (gregod_at_[hidden])
Date: 2001-08-29 21:15:33

On Wednesday 29 August 2001 07:00, you wrote:
> > Let's model concept refinement by inheritance in C++. This is already
> > done in the C++ standard with the iterator tags
> > (std::forward_iterator_tag derives from both std::input_iterator_tag and
> > std::output_iterator_tag),
> Well, yes, the idea is valid, although the Standard
> specifies that std::forward_iterator_tag derives only
> from std::input_iterator_tag. Maybe we can cite a
> different example....
> -- Dave Miller

Unfortunately, there don't seem to be any other explicit concept tags in the
C++ standard. Oh well, Austern's book specifies that the forward iterator
concept refines the input and output iterator concepts, so one could point to


Boost list run by bdawes at, gregod at, cpdaniel at, john at