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Subject: Re: [boost] [C++0x] Report from Frankfurt committee meeting
From: Mathias Gaunard (mathias.gaunard_at_[hidden])
Date: 2009-08-13 12:17:49

Andrew Sutton wrote:

> That seems overly complicated. Why not...
> template <typename...> failed call(...);
> template <typename F, typename... Args>
> auto call(F&& f, Args... args) -> decltype(f(args...));

Because that's C++0x, while my code is C++03.

> I'm waving my hands a bit since F() and Args() require everything to be
> default constructible, but you can get around that with some clever
> metaprogramming machinery and fake accessor functions.

Which is why I use make<T>() instead of T().

> Caveat: you probably need an SVN build of GCC to actually make that work
> without internal compiler errors :)

I've had no problem at all with a standard GCC 4.4 build.
What kind of ICEs are they? If it's mangling issues, they're not very
hard to circumvent usually.

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