2DPoint template

Define a templated struct named 2DPoint with the following member variables:

• T x
• T y

It should include a default and parameterized constructor.

Answer

#include <iostream>

template <typename T>
struct 2DPoint {
    T x;
    T y;

    // Default constructor
    2DPoint() : x(0), y(0) {}

    // Parameterized constructor
    2DPoint(T xVal, T yVal) : x(xVal), y(yVal) {}

    // Print coordinates
    void print_coordinates() const {
        std::cout << "x: " << x << ", y: " << y << std::endl;
    }
};

// `main` serves as an example usecase
int main() {
    // Create instances of 2DPoint with different numeric types

    // Using int
    2DPoint<int> point1(1, 2);
    std::cout << "Point 1 (int):" << std::endl;
    point1.print_coordinates();
    std::cout << std::endl;

    // Using float
    2DPoint<float> point2(1.5f, 2.5f);
    std::cout << "Point 2 (float):" << std::endl;
    point2.print_coordinates();
    std::cout << std::endl;

    // Using double
    2DPoint<double> point3(1.75, 2.75);
    std::cout << "Point 3 (double):" << std::endl;
    point3.print_coordinates();

    return 0;
}