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From: David Abrahams (dave_at_[hidden])
Date: 2004-08-22 16:17:28

Beman Dawes <bdawes_at_[hidden]> writes:

> What is weird is that even though the single_pass_traversal_tag is
> given, the path_test.cpp regression test uses operator-- in tests,
> and they compile fine.
> So it looks like there is also a bug in iterator adaptors too, since
> I would think that the use of operator-- on a single pass iterator
> should fail.

It's not a bug to provide more functionality than the category
allows. If you supply a decrement() operation, operator-- will call

Dave Abrahams
Boost Consulting

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