函数重载

#include <iostream>
#include <vector>

using namespace std;

class Account
{
};
class Phone
{
};
class Name
{
};
class Record
{
public:
Account a;
Phone b;
Name c;
};

void lookup_account(const Account& acct)
//void lookup  // 这就是函数重载，
{
cout << "使用账号进行查找：" << endl;
}
void lookup_phone(const Phone& phone)
{
cout << "使用电话号码进行查找：" << endl;
}
void lookup_name(const Name& name)
{
cout << "使用姓名进行查找：" << endl;
}

// void show(int x)
void show_int(int x)
{
cout << x << endl;
}
void show_vec(vector<int> &v) // void show()
{
for(vector<int>::iterator iter = v.begin();
iter != v.end();
++iter)
cout << *iter << endl;

}
int main ()
{
Account x;
Phone y;
Name z;
lookup_account(x);  // lookup(x) 这就是函数重载，
lookup_phone(y);
lookup_name(z);
int a = 99;
vector<int> b;
b.push_back(1);
b.push_back(2);
b.push_back(3);
show_int(a);
show_vec(b);

return 0;
}