middle

num middle(num a, num b, num c)

num - any numeric type (int or fixed)

Out of three numbers, returns the one that is between the other two.

The order of the arguments doesn't matter.

middle(1, 2, 3) -> 2
middle(2, 1, 3) -> 2
middle(3, 1, 2) -> 2

middle(0.1, 0.2, 0.3) -> 0.2
middle(0.1, 0.3, 0.2) -> 0.2
middle(0.2, 0.3, 0.1) -> 0.2