c_cpp 宏回购

Posted 2021-05-14

/*
* Print
*/
#define psln(x) std::cout << #x " = " << std::endl << (x) << std::endl

/*
* Pause
*/
#define PAUSE {system("pause");}

/*
* ifcheck
* Make a decision according to the ret_val of function
*/
#define IFCHECK(rtn, msg, is_pause, rtn_val) {\
    if(rtn<0) { \
    std::cout << (msg) << std::endl; \
    if(is_pause) { \
    system("pause");\
    } \
    return rtn_val; \
    } \
}