Re: [boost] [config] Visual C++ 2013 RC support - variadic template failures

Subject: Re: [boost] [config] Visual C++ 2013 RC support - variadic template failures
From: Niall Douglas (s_sourceforge_at_[hidden])
Date: 2013-09-21 02:16:21

On 20 Sep 2013 at 17:22, Stephan T. Lavavej wrote:

> [Niall Douglas]
> > I fear the cause may be the same brittle N3276 decltype VS2013 
> > implementation I found breaking my variadic template overloads in 
> > AFIO. The main problem I found is that VS2013's decltype is too quick 
> > to generate compile errors when fed an attempt to invoke call on a 
> > non-callable.
> 
> That sounds like you're trying to use Expression SFINAE, which VC does
> not yet support in full generality, instead of N3276 decltype, which
> specifically revolves around the completeness of call expression types. 

You're right of course, but it's hard for me to work around VS2013's 
limitations here without being able to specialise a template for 
lambda types.

Would you know Stephan how to do this on VS2013? I appreciate if it 
were easy you'd have already fixed the std::result_of<> shipped in 
the STL, but maybe it's easier than I am thinking?

Niall

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