Очистка буфера cin для getline()

#include <iostream>
#include <string>
#include <vector>
 
using namespace std;
 
class Student
{
    public:
 
    Student(string name, int student_age)
    {
        full_name = name;
        age = student_age;
    }
 
    string get_name()
    {
        return full_name;
    }
 
    int get_age()
    {
        return age;
    }
 
    private:
 
    string full_name;
    int age;
};
 
void print_students_list(vector<Student> student_list)
{
    cout << endl << endl << "List of students" << endl << endl;
 
    for(int i = 0; i < student_list.size(); i++)
    {
        cout << i+1 << ") " << student_list[i].get_name() << ". Age: " <<
        student_list[i].get_age() << '.' << endl;
    }
}
 
int main()
{
    vector<Student> students_list;
    
    string name = "";
    int age = 0;
    char exit = 'n';
 
    while(true)
    {
        cin.clear(); 
        cin.ignore(cin.rdbuf()->in_avail());
        cout << "Enter the full name of new student: ";
        getline(cin, name);
        cout << "Enter the age of new student: ";
        cin >> age;
 
        Student man(name, age);
        students_list.push_back(man);
 
        cout << "Do you want to continue? Enter Y or N: ";
        cin >> exit;
 
        if(exit != 'y')
            break;
    }
 
    print_students_list(students_list);
}

(cin >> age).get();

#include <limits>

 while(true)
    {
        cout << "Enter the full name of new student: ";
        getline(cin, name);
        cout << "Enter the age of new student: ";
        cin >> age;
 
        Student man(name, age);
        students_list.push_back(man);
 
        cout << "Do you want to continue? Enter Y or N: ";
        cin >> exit;
 
        // исправление
        cin.clear();
        cin.ignore(numeric_limits<streamsize>::max(), '\n');
 
        if(exit != 'y')
            break;
    }

(cin >> exit).get();

cin >> exit;
cin.get();