Common uses in macro definitions

/****yy_room*2015-3-6***/#include <iostream> #include <cstdio>using namespace std;/** # Represents converting a macro's argument to a string literal * # # to connect both sides of the mark together **/#define Macro_get_set (t,varname,funcname) protected:t VarName;         Public:         T get# #FuncName () {return VarName;}         void set# #FuncName (T temp) {VarName = temp;} /** __va_args__ represents a variable parameter * __linr__  indicates line number * __file__  file * __function__ function */#define MACRO_PRINT (format,...) printf ( Format   "line=%d  FILE =%s   FUNCTION =%s", # #__VA_ARGS__, __line__,__file__,__function__) class test{  Macro_get_set (int,x,x)};int main () {    test* test = new test ();    Test->setx (ten);    Cout<<test->getx () <<endl;    Macro_print ("%d  ,  %d,   %s  ", "1234");    Macro_print ("DFDSFDFSD");    return 0;}

Common uses in macro definitions