Define == operator in order to use the find method : find « STL Algorithms Non modifying sequence operations « C++ Tutorial

1. C++ Tutorial
2. STL Algorithms Non modifying sequence operations
3. find

#include <iostream>
#include <vector>
#include <algorithm>
#include <string>

using namespace std;


class Employee {
  string name;
  unsigned number;

public:
  Employee() { name = ""; number = 0; }

  Employee(string n, unsigned num) {
    name = n;
    number = num;
  }
  string get_name() { return name; }
  unsigned get_number() { return number; }
};

void show(vector<Employee> vect) {
  vector<Employee>::iterator itr;

  for(itr=vect.begin(); itr != vect.end(); ++itr)
    cout << itr->get_number() << " " << itr->get_name() << endl;;

}

bool operator==(Employee a, Employee b){
  return a.get_number() == b.get_number();
}

int main()
{
  vector<Employee> employeeList;

  employeeList.push_back(Employee("A", 9));
  employeeList.push_back(Employee("B", 8));
  employeeList.push_back(Employee("C", 6));
  employeeList.push_back(Employee("D", 1));

  show(employeeList);

  vector<Employee>::iterator itr;
  itr = find(employeeList.begin(), employeeList.end(), Employee("", 2));
  cout << itr->get_name();

  return 0;
}