Macro function with several lines for the parameter?

Question

In C++, I need to defined a macro. That macro would take as parameter a \"block\" of code.

Can we safely use several lines of code as parameter of a macro fu

Answer 1

A macro with multiple lines for parameter is fine also in case of multiple arguments, it even allows "commas" inside, but I strongly descourage using "commas" beause if it is not ambiguos to a machine it is certainly ambiguos to humans:

#include 
using namespace std;

#define MACRO2FUN( X, Y) x; y;
void function(int a, int b, int c){
    std::cout<