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(***********************************************************************)
(* *)
(* Objective Caml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. Distributed only by permission. *)
(* *)
(***********************************************************************)
(* $Id$ *)
(* Operations on internal representations of values *)
type t
external repr : 'a -> t = "%identity"
external obj : t -> 'a = "%identity"
external magic : 'a -> 'b = "%identity"
external is_block : t -> bool = "obj_is_block"
external tag : t -> int = "obj_tag"
external size : t -> int = "%obj_size"
external field : t -> int -> t = "%obj_field"
external set_field : t -> int -> t -> unit = "%obj_set_field"
external new_block : int -> int -> t = "obj_block"
external dup : t -> t = "obj_dup"
external truncate : t -> int -> unit = "obj_truncate"
let marshal (obj: t) =
Marshal.to_string obj []
let unmarshal str pos =
(Marshal.from_string str pos, pos + Marshal.total_size str pos)
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