[boost] Re: Name lookup and abs(rational)

From: Greg Colvin (gcolvin_at_[hidden])
Date: 1999-12-21 15:20:47

From: Alan Griffiths <alan_at_[hidden]>
> In message <199912210309.WAA23583_at_[hidden]>, Dave Abrahams
> <abrahams_at_[hidden]> writes
> >Speaking of friends, you could use the Barton & Nackmann trick if partial
> >ordering doesn't work in MSVC (does it?):
> 
> Partial ordering (and partial specialisation generally) is a complete
> mystery to MSVC.  (The B&N trick does fail in some circumstances - but
> name lookup is so broken it is hard to find techniques that never fail.) 

My advice is not to muddy up the code for MSVC's sake.  If it
works *at all* on MSVC that is enough, even if the user has to
beware of some pitfalls that a C++ compiler wouldn't have.