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From: Richard Webb (richard.webb_at_[hidden])
Date: 2008-04-18 07:26:16

John Maddock <john <at>> writes:

> This looks like a bug in the MS/Dinkumware implementation: the typedef
> char_class_type is required to be a bitmask type, and bitmask types aren't
> required to support operator&&. The only thing I haven't checked is the
> latest draft std: the website isn't responding at present

I've asked about this (and a couple of other failures on the Visual C++ blog.
The MS response is @

To confirm i've got the right idea about the failure:
The test that's failing is using the tr1 basic_regex along with a boost traits
class. The boost traits class uses a bitset for the char_class_type, whereas the
MS version uses an int.
The failure is then because the MS regex can't handle a bitset as the
char_class_type, due to the lack of an operator&& ?

The only other failure outside type_traits that i haven't raised yet is in
result_of ( I haven't used result_of and i'm not sure
what problem the failure indicates. Does anyone have any other thoughts about it?

Richard Webb

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