include factorial from "./function.luck" include factorial as my_factorial from "./function.luck" include Rectangle from "./model.luck" function include_function() factorial(10) == 3628800 end function include_with_nickname() my_factorial(10) == 3628800 end function include_model() local rect = Rectangle(20, 10) rect.width == 20 and rect.height == 10 and rect.area() == 200 end