A date program using struct

date.cpp

#include <iostream>

using namespace std;

struct DateStruct {
    int year;
    int month;
    int day;
};

void print (DateStruct &date) {
    cout << date.year << "/" << date.month << "/" << date.day << endl;
}

int main(){
    DateStruct today { 2018, 9, 1 };      // use unifrom initialization
    
    today.day = 2;                         // use member selection oparetor to select a member of the struct
    print(today);
    
    return 0;
}