#include <iostream>
#include <vector>
using namespace std;

// Move Class
class Move {
private:
    // Declare the raw pointer as
    // the data member of class
    int* data;

public:

    // Constructor
    Move(int d)
    {
        // Declare object in the heap
        data = new int;
        *data = d;
        cout << "Constructor is called for "
            << d << endl;
    };

    // Copy Constructor
    Move(const Move& source)
        : Move{ *source.data }
    {
        cout << "Copy Constructor is called -"
            << "Deep copy for "
            << *source.data
            << endl;
    }

    // Move Constructor
    Move(Move&& source)
        : data{ source.data }
    {

        cout << "Move Constructor for "
            << *source.data << endl;
        source.data = nullptr;
    }

    // Destructor
    ~Move()
    {
        if (data != nullptr)
            cout << "Destructor is called for "
                << *data << endl;
        else
            cout << "Destructor is called"
                << " for nullptr "
                << endl;
        delete data;
    }
};

// Driver Code
int main()
{
    // Vector of Move Class
    vector<Move> vec;

    // Inserting Object of Move Class
    vec.push_back(Move{ 10 });
    vec.push_back(Move{ 20 });
    return 0;
}

输出：
构造函数被调用10
移动10的构造函数
为nullptr调用析构函数
构造函数被调用20
移动建造者20

• • 为10调用构造函数

调用复制构造函数-10的深度复制**调用10的析构函数
为nullptr调用析构函数
为10调用析构函数
析构函数被调用20