Re: [boost] [C++0x] Report from Frankfurt committee meeting

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.