```
Prod: INewProduct = { ID = 1, Name = "Paper", Price = 1.99, Stock = 10 }
SubTotal = Prod.CalculatePrice(10)  # This would calculate 1.99 * 10.
```

# Ether
interface Point {
  X, Y
}
func SetX(self: Point, newX) => self.X = newX
func SetY(self: Point, newY) => self.Y = newY

func Main() {
  point: Point
  point.SetX(10)  # Ahora point.X es igual a 10.
  point.SetY(20)  # Ahora point.Y es igual a 20.
}



// C# - J... ava
class Point {
  public int X;
  public int Y;
  public void SetX(int newX) => this.X = newX;
  public void SetY(int newY) => this.Y = newY
}

public void Main() {
  Point point = new Point();
  point.SetX(10);
  point.SetY(20);

<div class="input-group margin-top">
                            <span class="input-group-addon" id="basic-addon3">Fecha</span>
                            <input type="text" class="form-control" id="dpCapFecha" />
                        </div>