/*
  testing if you can use
  structs in unions, and if so,
  can you mix them with other
  types?
*/
#include <iostream>
#include <fstream>

using namespace std;

struct structest {
  int number;
  char letter;
  float decimal;
};

union uniontest {
  structest u_struct;
  int number;
  char letter;
};

int main() {
  uniontest u_test;
  
  cout << "testing if struct can go in union" << endl;
  u_test.u_struct.number = 10;
  u_test.u_struct.letter = 'B';
  u_test.u_struct.decimal = 13.5;
  cout << "u_test.u_struct.number  = [10]   " << u_test.u_struct.number << endl;  cout << "u_test.u_struct.letter  = [B]    " << u_test.u_struct.letter << endl;  cout << "u_test.u_struct.decimal = [13.5] " << u_test.u_struct.decimal << endl;

  cout << endl;
  
  u_test.number = 22;
  cout << "u_test.number = [22] " << u_test.number << endl;
//  u_test.letter = 'z';
//  cout << "u_test.letter = [z]  " << u_test.letter << endl;

  cout << "---what-if-----------------------------------------" << endl;
  
  cout << "u_test.u_struct.number  = [10]   " << u_test.u_struct.number << endl;  cout << "u_test.u_struct.letter  = [B]    " << u_test.u_struct.letter << endl;  cout << "u_test.u_struct.decimal = [13.5] " << u_test.u_struct.decimal << endl;
  
  cout << endl << "see ya!" << endl;
  
  cout << endl;
  
  return 0;
}

// eof
/*
-------------------------------------------------
OUTPUT
-------------------------------------------------
testing if struct can go in union
u_test.u_struct.number  = [10]   10
u_test.u_struct.letter  = [B]    B
u_test.u_struct.decimal = [13.5] 13.5

u_test.number = [22] 22
---what-if-----------------------------------------
u_test.u_struct.number  = [10]   22
u_test.u_struct.letter  = [B]    B
u_test.u_struct.decimal = [13.5] 13.5

see ya!
*/