message: Adding documentation comments
diff: @@ -109,7 +109,10 @@ pub mod traits {
  pub mod rational {
  pub use num_rational::*;
  }
  -
  +/// A value bounded by a minimum and a maximum
  +///
  +/// If input is less than min then min is returned, if input is greater than max then max is
  +/// returned. Otherwise input is returned.
  pub fn clamp<T: PartialOrd + Copy>(input: T, min: T, max: T) -> T {
  debug_assert!(min < max, "min must be less than max");
  if input <= min {min}
  