Given an interval and a test value, returns True if the test value falls within the interval, including its endpoints

10
  |> Toolkit.Compare.isInRange (10, 20)


--> True

Given an interval and a test value, returns True if the test value falls strictly between the endpoints of the interval, such that a test value equal to one of the endpoints will return False

10
  |> Toolkit.Compare.isBetween (10, 20)


--> False