{

std::wstring genus;

std::wstring species;

int age;

double weight;

Animal(const wstring&, const wstring&, int, double){/*...*/ }

Animal(){}

{

// Use the Animal default constructor.

unique_ptr<Animal> p1 = make_unique<Animal>();

// Use the constructor that matches these arguments

auto p2 = make_unique<Animal>(L"Felis", L"Catus", 12, 16.5);

// Create a unique_ptr to an array of 5 Animals

unique_ptr<Animal[]> p3 = make_unique<Animal[]>(5);

// Initialize the elements

p3[0] = Animal(L"Rattus", L"norvegicus", 3, 2.1);

p3[1] = Animal(L"Corynorhinus", L"townsendii", 4, 1.08);

// auto p4 = p2; //C2280

vector<unique_ptr<Animal>> vec;

// vec.push_back(p2); //C2280

// vector<unique_ptr<Animal>> vec2 = vec; // C2280

// OK. p2 no longer points to anything

vec.push_back(std::move(p2));

// unique_ptr overloads operator bool

wcout << boolalpha << (p2 == false) << endl; // Prints "true"

// OK but now you have two pointers to the same memory location

Animal* pAnimal = p2.get();

// OK. p2 no longer points to anything

Animal* p5 = p2.release();

}