sidekick/src/base/ID.ml
2022-08-27 20:24:28 -04:00

34 lines
823 B
OCaml

(* This file is free software. See file "license" for more details. *)
type t = { id: int; name: string }
let make =
let n = ref 0 in
fun name ->
let x = { id = !n; name } in
incr n;
x
let makef fmt = CCFormat.ksprintf ~f:make fmt
let copy { name; _ } = make name
let id { id; _ } = id
let to_string id = id.name
let equal a b = a.id = b.id
let compare a b = CCInt.compare a.id b.id
let hash a = CCHash.int a.id
let pp_full out a = Format.fprintf out "%s/%d" a.name a.id
let pp_name out a = CCFormat.string out a.name
let pp = pp_name
let to_string_full a = Printf.sprintf "%s/%d" a.name a.id
module AsKey = struct
type nonrec t = t
let equal = equal
let compare = compare
let hash = hash
end
module Map = CCMap.Make (AsKey)
module Set = CCSet.Make (AsKey)
module Tbl = CCHashtbl.Make (AsKey)