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open! Import
type t = Less | Equal | Greater [@@deriving_inline compare, hash, enumerate, sexp]
let compare : t -> t -> int = Ppx_compare_lib.polymorphic_compare
let (hash_fold_t :
Ppx_hash_lib.Std.Hash.state -> t -> Ppx_hash_lib.Std.Hash.state) =
(fun hsv ->
fun arg ->
match arg with
| Less -> Ppx_hash_lib.Std.Hash.fold_int hsv 0
| Equal -> Ppx_hash_lib.Std.Hash.fold_int hsv 1
| Greater -> Ppx_hash_lib.Std.Hash.fold_int hsv 2 : Ppx_hash_lib.Std.Hash.state
->
t ->
Ppx_hash_lib.Std.Hash.state)
let (hash : t -> Ppx_hash_lib.Std.Hash.hash_value) =
let func arg =
Ppx_hash_lib.Std.Hash.get_hash_value
(let hsv = Ppx_hash_lib.Std.Hash.create () in hash_fold_t hsv arg) in
fun x -> func x
let all : t list = [Less; Equal; Greater]
let t_of_sexp : Ppx_sexp_conv_lib.Sexp.t -> t =
let _tp_loc = "src/ordering.ml.t" in
function
| Ppx_sexp_conv_lib.Sexp.Atom ("less"|"Less") -> Less
| Ppx_sexp_conv_lib.Sexp.Atom ("equal"|"Equal") -> Equal
| Ppx_sexp_conv_lib.Sexp.Atom ("greater"|"Greater") -> Greater
| Ppx_sexp_conv_lib.Sexp.List ((Ppx_sexp_conv_lib.Sexp.Atom
("less"|"Less"))::_) as sexp ->
Ppx_sexp_conv_lib.Conv_error.stag_no_args _tp_loc sexp
| Ppx_sexp_conv_lib.Sexp.List ((Ppx_sexp_conv_lib.Sexp.Atom
("equal"|"Equal"))::_) as sexp ->
Ppx_sexp_conv_lib.Conv_error.stag_no_args _tp_loc sexp
| Ppx_sexp_conv_lib.Sexp.List ((Ppx_sexp_conv_lib.Sexp.Atom
("greater"|"Greater"))::_) as sexp ->
Ppx_sexp_conv_lib.Conv_error.stag_no_args _tp_loc sexp
| Ppx_sexp_conv_lib.Sexp.List ((Ppx_sexp_conv_lib.Sexp.List _)::_) as sexp
-> Ppx_sexp_conv_lib.Conv_error.nested_list_invalid_sum _tp_loc sexp
| Ppx_sexp_conv_lib.Sexp.List [] as sexp ->
Ppx_sexp_conv_lib.Conv_error.empty_list_invalid_sum _tp_loc sexp
| sexp -> Ppx_sexp_conv_lib.Conv_error.unexpected_stag _tp_loc sexp
let sexp_of_t : t -> Ppx_sexp_conv_lib.Sexp.t =
function
| Less -> Ppx_sexp_conv_lib.Sexp.Atom "Less"
| Equal -> Ppx_sexp_conv_lib.Sexp.Atom "Equal"
| Greater -> Ppx_sexp_conv_lib.Sexp.Atom "Greater"
[@@@end]
let equal a b = compare a b = 0
module Export = struct
type _ordering = t =
| Less
| Equal
| Greater
end
let of_int n =
if n < 0
then Less
else if n = 0
then Equal
else Greater
;;
let to_int = function
| Less -> -1
| Equal -> 0
| Greater -> 1
;;