public static void Deconstruct(this MyRectangle rect, out string name, out double area, out double width, out double height)
{
name = rect.Name;
area = rect.Area;
width = rect.Width;
height = rect.Height;
}
static void Main(string[] args)
{
MyRectangle rect = new MyRectangle()
{
Width = 10, Height = 30
};
(double x, double y) = rect;
(string name, double a, double d, double f) = rect;
Console.WriteLine($"{x} -- {y}");
(new MyRectangle()
{
Width = 5, Height = 8
}).Deconstruct(out double w, out double h);
Console.WriteLine($"{w} -- {h}");
}