I am simply trying to print out the names lasted below but cannot seem to do so.
Please help, it should print out 3 times:

First name: Bill
Last name: Smith
Phone #: 123-123-4123
First name: billy
last name: smith
phone #: 123-421-2131
etc

Qt Code: 
  1. #include <iostream>
  2. #include <string>
  3.  
  4. struct IDCard
  5. {
  6.     std::string firstName;
  7.     std::string lastName;
  8.     std::string phoneNumber;
  9. };
  10.  
  11.  
  12. void PrintID(IDCard &idCard) {
  13.  
  14.  
  15.     for(int i = -1; i < 2; i++) {
  16.  
  17.         int indexFirst = idCard.firstName[i];
  18.         int indexLast = idCard.lastName[i];
  19.         int indexNum = idCard.phoneNumber[i];
  20.  
  21.  
  22.     std::cout << "First Name: " << indexFirst << std::endl;
  23.     std::cout << "Last Name: " << indexLast <<std::endl;
  24.     std::cout << "Phone Number: " << indexNum <<std::endl;
  25.  
  26.     }
  27. }
  28.  
  29. int main () {
  30.  
  31.     IDCard testID[3];
  32.  
  33.  
  34.     testID[0].firstName = "Bill";
  35.     testID[0].lastName = "Smith";
  36.     testID[0].phoneNumber = "111-232-1456";
  37.  
  38.     testID[1].firstName = "Sally";
  39.     testID[1].lastName = "Smith";
  40.     testID[1].phoneNumber = "111-256-1456";
  41.  
  42.     testID[2].firstName = "Billy Jr.";
  43.     testID[2].lastName = "Smith";
  44.     testID[2].phoneNumber = "111-348-1800";
  45.  
  46.     PrintID(testID[0]);
  47.  
  48.     return 0;
  49. }
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