Drill 22: Invalid input — RAII and smart pointers

#include <memory>
#include <iostream>
#include <string>

struct Lesson {
    std::string title;
};

int main() {
    auto lesson = std::make_unique<Lesson>(Lesson{"Pointers"});
    std::cout << lesson->title << "\n";
    // destroyed automatically at the end of scope
}