[C++] 이동 생성자

코드

#include <cstring>
#include <iostream>

using namespace std;

class Test {
    private:
        char *pc = nullptr;

    public:
        int i;

        Test() {
            cout << "base constructor" << endl;
            this->pc = new char[32];
            strcpy(this->pc, "abc");
        }
        Test(const Test &t) {
            cout << "copy constructor" << endl;
            this->pc = new char[strlen(t.pc)];
            strncpy(this->pc, t.pc, strlen(pc));
        }
        Test(Test &&t) {
            cout << "move constructor" << endl;
            this->pc = t.pc;
            t.pc = nullptr;
        }
        ~Test() {
            if (this->pc != nullptr) {
                cout << "destructor - " << this->i << endl;
                delete this->pc;
                this->pc = nullptr;
            }
        }
};

int main() {
    Test t1;
    t1.i = 1;
    cout << "------" << endl;
    Test t2 = t1;
    t2.i = 2;
    cout << "------" << endl;
    Test t3(move(t2));
    t3.i = 3;

    return 0;
}

실행 결과

base constructor
------
copy constructor
------
move constructor
destructor - 3
destructor - 1