mirror of
https://github.com/CatalaLang/catala.git
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63 lines
1.6 KiB
OCaml
63 lines
1.6 KiB
OCaml
(* This file is part of the Catala compiler, a specification language for tax and social benefits
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computation rules. Copyright (C) 2020 Inria, contributor: Denis Merigoux
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<denis.merigoux@inria.fr>
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Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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in compliance with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software distributed under the License
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is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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or implied. See the License for the specific language governing permissions and limitations under
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the License. *)
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module type Info = sig
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type info
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val format_info : Format.formatter -> info -> unit
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end
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module type Id = sig
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type t
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type info
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val fresh : info -> t
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val get_info : t -> info
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val compare : t -> t -> int
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val format_t : Format.formatter -> t -> unit
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val hash : t -> int
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end
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module Make (X : Info) () : Id with type info = X.info = struct
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type t = { id : int; info : X.info }
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type info = X.info
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let counter = ref 0
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let fresh (info : X.info) : t =
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incr counter;
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{ id = !counter; info }
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let get_info (uid : t) : X.info = uid.info
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let compare (x : t) (y : t) : int = compare x.id y.id
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let format_t (fmt : Format.formatter) (x : t) : unit =
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Format.fprintf fmt "%a" X.format_info x.info
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let hash (x : t) : int = x.id
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end
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module MarkedString = struct
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type info = string Pos.marked
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let format_info fmt (s, _) = Format.fprintf fmt "%s" s
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end
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