RE: [boost] [config] BOOST_DEDUCED_TYPENAME

From: Aleksey Gurtovoy (agurtovoy_at_[hidden])
Date: 2003-03-06 06:02:21

David Abrahams wrote:
> Aleksey Gurtovoy <agurtovoy_at_[hidden]> writes:
> 
> > If BOOST_DEDUCED_TYPENAME was introduced for the sake of MSVC only
> > (which seems very likely to be the case)
> 
> It was.
> 
> > , then it was given a wrong name, since there are lots of other 
> > situations, besides the "deduced typename" context, when the 
> > compiler refuses to accept 'typename', incorrectly - in particular,
> > the one demonstrated by the above test case. Classifying those 
> > situations and introducing a separate macro for each and every of 
> > them just isn't worth the troubles, in particular because MSVC is 
> > the only compiler with such peculiarity with respect to 'typename'
> > in different contexts; IMO what is needed in place of such 
> > artificial classification is a single macro that explicitly 
> > documents that what is being worked around here is a weird
> > behavior of one particular compiler, e.g. BOOST_MSVC_TYPENAME or 
> > something like it.
>
> Well, I think you're right, but the question remains: what should we
> do about it?  Should we just replace BOOST_DEDUCED_TYPENAME?

That's what I would do. John?

Aleksey