module Sign:sig
..end
type
t =
| |
Positive |
| |
Negative |
val pretty : Stdlib.Format.formatter -> t -> unit
val of_int : int -> t
val compare : t -> t -> int
val eq : t -> t -> bool
val neg : t -> t
val mul : t -> t -> t
val is_pos : t -> bool
val is_neg : t -> bool