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functions as template argument, plus variadic template argument
template <typename R, typename Arg1, typename Arg2, R F(Arg1, Args)>
struct wrapper

// This won't work
template <typename R, typename... Args, R F(Args...)>
struct wrapper

template <typename R, typename... Args>
struct func_type<R(Args...)>
{
  // Inner function wrapper take the function pointer as a template argument
  template <R F(Args...)>
  struct func
  {
    static int call( lua_State *L )
    {
      // extract arguments from L
      F(/*arguments*/);
      return 1;
    }
  };
};

double sin(double d) {}

func_type<decltype(sin)>::func<sin>::apply

template<typename Signature>
struct wrapper; // no base template

template<typename Ret, typename... Args>
struct wrapper<Ret(Args...)> {
    // instantiated for any function type
};

template<typename Sig, Sig& S>
struct wrapper;

template<typename Ret, typename... Args, Ret(&P)(Args...)>
struct wrapper<Ret(Args...), P> {
    int
    static apply(lua_State*)
    {
        // pop arguments
        // Ret result = P(args...);
        // push result & return
        return 1;
    }
};

// &wrapper<decltype(sin), sin>::apply is your Lua-style wrapper function.

#include <iostream>
#include <boost/typeof/typeof.hpp>

void f(int b, double c, std::string const& g)
{
  std::cout << "f(): " << g << std::endl;
}

template <typename F, F* addr>
struct wrapper
{
  void operator()()
  {
    std::string bar("bar");
    (*addr)(1, 10., bar);
  }
};

int main(void)
{
  wrapper<BOOST_TYPEOF(f), &f> w;
  w();
  return 0;
}