PV913DynArrCopyAssigment

#include <iostream>

class DynArray
{
    int* arr;
    int size;
public:
    DynArray(int pSize) : arr{ new int[pSize] {} }, size{ pSize } {std::cout << "DynArr constructed for " << size << " elements, for " << this << '\n'; };
    DynArray() : DynArray(5) {};
    DynArray(const DynArray& obj);
    DynArray& operator=(const DynArray& obj);
    int getElem(int idx) { return arr[idx]; };
    void setElem(int idx, int val) { arr[idx] = val; };
    void print();
    void randomize();
    ~DynArray() { if (arr) { std::cout << "this->arr = " << this->arr << '\n'; delete[] arr; }; std::cout << "DynArr destructed for " << size << " elements, for " << this << '\n'; };
};

void DynArray::print()
{
    for (int i{ 0 }; i < size; ++i)
    {
        std::cout << arr[i] << ' ';
    }
    std::cout << '\n';
}

void DynArray::randomize()
{
    for (int i{ 0 }; i < size; ++i)
    {
        arr[i] = rand() % 10;
    }
}

DynArray::DynArray(const DynArray& obj)
    : arr{ new int[obj.size] {} }, size{ obj.size }
{
    for (int i{ 0 }; i < size; ++i)
    {
        arr[i] = obj.arr[i];
    };

    std::cout << "DynArr COPY constructed for " << size << " elements, for " << this << '\n';
};


DynArray& DynArray::operator=(const DynArray& obj)
{
    if (this == &obj)
    {
        std::cout << "DynArr self assign PREVENTED! for " << this << '\n';
        return *this;
    }

    delete[] arr;

    arr = new int[obj.size]{};
    size = obj.size;

    for (int i{ 0 }; i < size; ++i)
    {
        arr[i] = obj.arr[i];
    };

    std::cout << "DynArr COPY assigned for " << size << " elements, for " << this << '\n';
    return *this;
};



void printDynArrEl(DynArray& arr, int idx)
{
    std::cout << arr.getElem(idx) << ' ';
}


/*DynArray mkArray(int size)
{
    DynArray arr{ size };
    arr.randomize();
    return arr;
}*/




int main()
{
    //int x{ 42 };
    //x = x;

    //std::cout << "X = " << x << '\n';
    //return 0;

    std::cout << "arr1 creation\n";
    DynArray arr1{8};
    arr1.print();
    arr1.randomize();
    arr1.print();
    std::cout << "arr2 creation\n";
    DynArray arr2{};
    arr2.randomize();
    arr2.print();
    arr2 = arr1; // { arr2.arr = arr1.arr; arr2.size = arr1.size; }
    arr2.print();


    //arr1 = 'A';

    //arr1.print();
    //arr1.randomize();
    //std::cout << "arr1\n";
    //arr1.print();

    //DynArray arr2.{arr1}; //arr2.arr <= arr1.arr //arr2.size <= arr1.size <- this = &arr2

    //std::cout << "arr2\n";
    //arr2.print();
    //arr2.setElem(0, 333);

    //std::cout << "arr1\n";
    //arr1.print();
    //std::cout << "arr2\n";
    //arr2.print();



}