Class Vector2

tests/test_operator_overloading.cpp:18–95

#include <functional>

class Vector2 {
public:
    Vector2(float x, float y) : x(x), y(y) { print_created(this, toString()); }
    Vector2(const Vector2 &v) : x(v.x), y(v.y) { print_copy_created(this); }
    Vector2(Vector2 &&v) noexcept : x(v.x), y(v.y) {
        print_move_created(this);
        v.x = v.y = 0;
    }
    Vector2 &operator=(const Vector2 &v) {
        x = v.x;
        y = v.y;
        print_copy_assigned(this);
        return *this;
    }
    Vector2 &operator=(Vector2 &&v) noexcept {
        x = v.x;
        y = v.y;
        v.x = v.y = 0;
        print_move_assigned(this);
        return *this;
    }
    ~Vector2() { print_destroyed(this); }

    std::string toString() const {
        return "[" + std::to_string(x) + ", " + std::to_string(y) + "]";
    }

    Vector2 operator-() const { return Vector2(-x, -y); }
    Vector2 operator+(const Vector2 &v) const { return Vector2(x + v.x, y + v.y); }
    Vector2 operator-(const Vector2 &v) const { return Vector2(x - v.x, y - v.y); }
    Vector2 operator-(float value) const { return Vector2(x - value, y - value); }
    Vector2 operator+(float value) const { return Vector2(x + value, y + value); }
    Vector2 operator*(float value) const { return Vector2(x * value, y * value); }
    Vector2 operator/(float value) const { return Vector2(x / value, y / value); }
    Vector2 operator*(const Vector2 &v) const { return Vector2(x * v.x, y * v.y); }
    Vector2 operator/(const Vector2 &v) const { return Vector2(x / v.x, y / v.y); }
    Vector2 &operator+=(const Vector2 &v) {
        x += v.x;
        y += v.y;
        return *this;
    }
    Vector2 &operator-=(const Vector2 &v) {
        x -= v.x;
        y -= v.y;
        return *this;
    }
    Vector2 &operator*=(float v) {
        x *= v;
        y *= v;
        return *this;
    }
    Vector2 &operator/=(float v) {
        x /= v;
        y /= v;
        return *this;
    }
    Vector2 &operator*=(const Vector2 &v) {
        x *= v.x;