Base.UnitSourceModule for the type unit.
include Sexplib0.Sexpable.S with type t := tinclude Identifiable.S with type t := tinclude Comparable.S with type t := tinclude Comparisons.S with type t := tcompare t1 t2 returns 0 if t1 is equal to t2, a negative integer if t1 is less than t2, and a positive integer if t1 is greater than t2.
ascending is identical to compare. descending x y = ascending y x. These are intended to be mnemonic when used like List.sort ~compare:ascending and List.sort ~cmp:descending, since they cause the list to be sorted in ascending or descending order, respectively.
clamp_exn t ~min ~max returns t', the closest value to t such that between t' ~low:min ~high:max is true.
Raises if not (min <= max).
include Pretty_printer.S with type t := tinclude Invariant.S with type t := t