const structure parameter : structure « Structure « C++ Tutorial

1. C++ Tutorial
2. Structure
3. structure

#include <iostream.h>

struct Time
{
       int hh,mm,ss;
};

void Disp1(struct Time t);
void Disp2(const Time & t);

int main()
{
       Time t1,t2,*p;
       
       t1.hh=10;
       t1.mm=30;
       t1.ss=0;
       t2=t1;  
       t2.hh++;                        
       p = &t2;
    
    cout << "The t2 time is " << p->hh  << ":" << t2.mm << ":"<< t1.ss << endl;

       Disp1(t2);
       Disp2(t2);
       
       return 0;
}

void Disp1(struct Time t)
{
       cout << "The time is " << t.hh <<":" << t.mm << ":"<< t.ss << endl;
}

void Disp2(const Time & t)
{
       cout << "The time is " << t.hh <<":" << t.mm << ":"<< t.ss << endl;
}

The t2 time is 11:30:0
The time is 11:30:0
The time is 11:30:0