DailyExchRate, C++ (gcc)

DailyExchRate

//g++  7.4.0
////////////////////////////////////////////////////////////////////////////////DailyExchRate: example of enumeration with overloaded operator & anonymous union
//this code is created by Rezaul Hoque on May 19,2022;
//contact:jewelmrh@yahoo.com;Dhaka,Bangladesh;https://rezaulhoque.wordpress.com,https://hoquestake.blogspot.com
//note: codes shared by Rezaul Hoque on rextester are not for sale; they are created and shared to facilitate the algorithm learning process; many like Hoque use this platform to practice programming ;Rezaul hopes his contribution helps others to fine tune their learning;
//////////////////////////////////////////////////////////////////////////////

#include <iostream>
#include <cstdint>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
enum Day {Sat,Sun,Mon,Tue,Wed,Thu,Fri};
enum Exch  {Taka, Eur,Inr,Pound,Yen,Ruble,Yuan};
//enumeration with overloaded operator
std::ostream& operator<<(std::ostream& outs, Day j)
{     
  switch(j){
     case Sat: outs<<"Saturday"; break;
     case Sun: outs<<"Sunday"; break;
     case Mon: outs<<"Monday"; break;
     case Tue: outs<<"Tuesday"; break;
     case Wed: outs<<"Wednesday"; break;
     case Thu: outs<<"Thursday"; break;
     case Fri: outs<<"Friday"; break;
   }
      return outs;
}

std::ostream& operator<<(std::ostream& outs, Exch cr)
{     
  switch(cr){
     case Taka: outs<<"88.0 Taka"; break;
     case Eur: outs<<"0.95 Euro"; break;
     case Inr: outs<<"77.50 Indian Rupee"; break;
     case Pound: outs<<"0.81 Pound"; break;
     case Yen: outs<<"128.82 Yen"; break;
     case Ruble: outs<<" 63.40 Ruble"; break;
     case  Yuan: outs<<"6.76 Yuan"; break;
   }
      return outs;
}
struct CurRate{
//anonymous union
union {
Day day;
};
//regular union
union{
Exch currency;
}money;
char country[80];
char city[80];
};

int main()
{
   struct CurRate c;
   strcpy(c.country, "Bangladesh");
   strcpy(c.city, "Dhaka");
   c.day=Thu;
   c.money.currency=Yuan;

std::cout<<"Day    Country      City  Exch.Rate($1)\n";
{
std::cout<<c.day<<"  ";
std::cout<<c.country<<"  ";
std::cout<<c.city<<"   ";
std::cout<<c.money. currency<<"    ";
std::cout<<"\n";
 }
return 0;
  
}


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