#include <fstream.hfa>
#include <enum.hfa>
enum() voidEnum {
    a, b, c
    /*** 
    * ,d = 10 // Disable; 
    * //error: Enumerator of enum(void) cannot have an explicit initial value.
    */
};

char* a[voidEnum] = {
    "A",
    "B",
    "C"
};

int main() {
    enum voidEnum v_1 = a;
    enum voidEnum v_2 = b;
    sout | "Two different Opague Enum Should not be the same:";
    if ( v_1 == v_2 ) {
        sout | "a and b are Equal" | nl;
    } else {
        sout | "a and b are Not Equal" | nl;
    }
    sout | "Default Output:";
    sout | a;
    sout | b;
    
    sout | label(v_1);
    sout | label(v_2);
}