​

int main()

{

    int i = 0;

    int& iRef = i;

    const int& iConstRef = i;

    volatile int& iVolatileRef = i;

    const volatile int& iCVRef = i;

    int* iPtr = &i;

​

    auto _1 = i;             // type = int

    auto _2 = iRef ;         // type = int

    auto _3 = iConstRef ;    // type = int

    auto _4 = iVolatileRef ; // type = int

    auto _5 = iCVRef;        // type = int

    auto _6 = iPtr ;         // type = int*

}