Re: [boost] enabling constexpr with Visual studio 2015 Update 3 (RC)

Subject: Re: [boost] enabling constexpr with Visual studio 2015 Update 3 (RC)
From: Marcel Raad (raad_at_[hidden])
Date: 2016-06-11 11:27:24

pabristow wrote
> (aside I also tried /std:C++latest but that works for some tasks but
> failed to compile with odd-looking errors in converter.hpp
> 
> Error	C2518	keyword 'typename' illegal in base class list; ignored 
> \modular-boost\boost\numeric\conversion\detail\converter.hpp	453
> 
> // Trivial Converter : used when (cv-unqualified) T == (cv-unqualified)  S
>   //
>   template
> <class Traits>
>   struct trivial_converter_impl : public std::unary_function< 
> BOOST_DEDUCED_TYPENAME Traits::argument_type
>                                                              
> ,BOOST_DEDUCED_TYPENAME Traits::result_type
>                                                             >
>                                  ,public dummy_range_checker
> <Traits>
>   {...}
> 
> So I stopped trying that /std:c++latest option.  What else should it do?)

To use /std:C++latest, you have to add _HAS_AUTO_PTR_ETC=1 to the
preprocessor definitions. Otherwise, there is no std::unary_function.

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