From: Beman Dawes (bdawes_at_[hidden])
Date: 2004-08-22 19:02:24
At 05:17 PM 8/22/2004, David Abrahams wrote:
>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
>it.
OK. Thanks for the clarification.
I guess that means the filesystem test needs an additional case that would
work for a bidirectional iterator but fail for a single pass traversal
iterator which supplies a decrement() operator. Any suggestions?
--Beman