package codex

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Source file pretty_utils.ml

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(**************************************************************************)
(*  This file is part of the Codex semantics library.                     *)
(*                                                                        *)
(*  Copyright (C) 2013-2025                                               *)
(*    CEA (Commissariat à l'énergie atomique et aux énergies              *)
(*         alternatives)                                                  *)
(*                                                                        *)
(*  you can redistribute it and/or modify it under the terms of the GNU   *)
(*  Lesser General Public License as published by the Free Software       *)
(*  Foundation, version 2.1.                                              *)
(*                                                                        *)
(*  It is distributed in the hope that it will be useful,                 *)
(*  but WITHOUT ANY WARRANTY; without even the implied warranty of        *)
(*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *)
(*  GNU Lesser General Public License for more details.                   *)
(*                                                                        *)
(*  See the GNU Lesser General Public License version 2.1                 *)
(*  for more details (enclosed in the file LICENSE).                      *)
(*                                                                        *)
(**************************************************************************)

type sformat = (unit,Format.formatter,unit) format
type 'a formatter = Format.formatter -> 'a -> unit

let pp_iter
    ?(pre=format_of_string "@[")
    ?(sep=format_of_string "")
    ?(suf=format_of_string "@]")
    iter pp fmt v =
  let need_sep = ref false in
  Format.fprintf fmt pre;
  iter (fun v ->
          if !need_sep then Format.fprintf fmt sep else need_sep := true;
          pp fmt v;
       ) v;
  Format.fprintf fmt suf;
;;