Wrap a function pointer in C++ with variadic template

Question

The Question

I have a number of C++ functions void f(), R g(T a), S h(U a, V b) and so on. I want to write a template functi

Answer 1

template
typename std::result_of::type
wrapper(Args&&... args) {
    return fn(std::forward(args)...);
}
#define WRAPPER(FUNC) wrapper

//Usage:

int min(int a, int b){
    return (a
#include
int main(){
    std::cout<

Alternatively, to get maybe quite less readable, but shorter syntax:

#define WRAPPER(FUNC, ...) wrapper(__VA_ARGS__)

//Usage:

int main(){
    sdt::cout<