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Subject: Re: [boost] Boost1_58_0_b1_rc2 is available for testing
From: Marcel Raad (raad_at_[hidden])
Date: 2015-03-21 08:09:02
Marcel Raad <raad <at> teamviewer.com> 
writes:
> Unfortunately I found a new problem in
> Boost.Optional. I get weird compile 
> errors in one project, both with MSVC12 
> and MSVC14:
> error C3083: ' ?? A0x6071e18f': the
> symbol to the left of a '::' must be a 
> type
> 
> for a line declaring a member function
> with a boost::optional parameter 
> with a default value of boost::none. 
> 
BOOST_OPTIONAL_USE_OLD_DEFINITION_OF_NONE 
> fixes the problem.
I've finally been able to reproduce the 
problem. It occurs only if 
<boost/optional.hpp> is in the precompiled 
headers.