func div(x, y : Number) -> Integer return floor(x/y)
div(1, 2) = 0 div(3, 2) = 1 div(-3, 2) = -2 div(3, -2) = -2 div(-3, -2) = 1 div(1, 0.5) = 2 div(3.5 2) = 1 div(3.5, 0.5) = 7