Module type Ordset.AuxOrderedType

module type AuxOrderedType = sig .. end

type t 

type aux 

val compare : aux ->
       t -> t -> int

A total ordering function over the keys. This is a two-argument function f such that f aux e1 e2 is zero if the keys e1 and e2 are equal, f aux e1 e2 is strictly negative if e1 is smaller than e2, and f aux e1 e2 is strictly positive if e1 is greater than e2.

aux is an auxiliary argument.