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

struct User {
    std::string name;
    int age;
    User(std::string n, int a) : name(std::move(n)), age(a) {}
};

// *** before: ***
// C++11 brought make_shared but forgot make_unique, so new was still
// written by hand and the type was named twice
std::unique_ptr<User> createOld() {
    return std::unique_ptr<User>(new User("Ann", 31));
}

// *** in version C++14: ***
std::unique_ptr<User> create() {
    return std::make_unique<User>("Bob", 27);   // the type is named once
}

int main() {
    auto a = createOld();
    auto b = create();

    auto many = std::make_unique<int[]>(4);     // an array works too
    many[0] = 5;

    std::cout << a->name << " " << b->name << " " << many[0] << "\n";
}