/usr/lib/ocaml/ocamlbricks/thunk.mli is in libocamlbricks-ocaml-dev 0.90+bzr400-1build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115  | (* This file is part of ocamlbricks
   Copyright (C) 2012 Jean-Vincent Loddo
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 2 of the License, or
   (at your option) any later version.
   This program 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 General Public License for more details.
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>. *)
(** Utilities about thunks, i.e. functions from [unit] to ['a]. *)
type 'a t = unit -> 'a
val linearize : 'a t -> 'a t
val protect   : fallback:(unit -> 'a) -> 'a t -> 'a t
(** Alias for linearize: *)
val one_shot  : 'a t -> 'a t
val apply     : 'a t -> 'a
val of_lazy   : 'a lazy_t -> 'a t
type id = int
type linear = bool
(** First thunk providing a suitable result: *)
val first_success : ('a -> bool) -> 'a t list -> 'a option
(** As first_success, but each thunk may directly fails (None): *)
val first_attempt : ('a -> bool) -> ('a option) t list -> 'a option
(** A queue of 'a thunks. Linear (one-shot) thunks are automatically
   removed after each call of apply. Note that the first parameter
   of the folder is the accumulator (current state). *)
class ['a] fifo_container :
  (* Default for methods having these parameters: *)
  ?fallback:'a t ->
  unit ->
  object
  method register_thunk : ?fallback:'a t -> ?one_shot:unit -> 'a t -> id
  method register_lazy  : ?fallback:'a t -> 'a Lazy.t -> id
  method remove         : id -> unit
  method get            : id -> 'a t
  method revno          : int
  method apply          : 'b. ?folder:('b -> 'a -> 'b) -> 'b -> 'b
  method as_queue       : ('a t * linear) Container.Queue_with_identifiers.t
end
(** A stack of 'a thunks. Linear (one-shot) thunks are automatically
   removed after each call of apply. Note that the first parameter
   of the folder is the accumulator (current state). *)
class ['a] lifo_container :
  (* Default for methods having these parameters: *)
  ?fallback:'a t ->
  unit ->
  object
  method register_thunk : ?fallback:'a t -> ?one_shot:unit -> 'a t -> id
  method register_lazy  : ?fallback:'a t -> 'a Lazy.t -> id
  method remove         : id -> unit
  method get            : id -> 'a t
  method revno          : int
  method apply          : 'b. ?folder:('b -> 'a -> 'b) -> 'b -> 'b
  method as_stack       : ('a t * linear) Container.Stack_with_identifiers.t
end
class fifo_unit_protected_container :
  unit ->
  object
  method register_thunk : ?unprotect:unit -> ?one_shot:unit -> unit t -> id
  method register_lazy  : ?unprotect:unit -> unit Lazy.t -> id
  method remove         : id -> unit
  method get            : id -> unit t
  method revno          : int
  method apply          : unit -> unit
  method as_queue       : (unit t * linear) Container.Queue_with_identifiers.t
end
(** Useful to make a {e local} object-oriented mrproper structure.
    A typical use is to connect the method [apply] to the destruction of
    a temporary structure, as for instance a widget.
    {b Example}:
{[  let window = GWindow.window () in
  let mrproper = new Thunk.lifo_unit_protected_container () in
  ..
  mrproper#register_lazy (lazy ...);
  mrproper#register_lazy (lazy ...);
  ..
  let _ = window#connect#destroy ~callback:mrproper#apply in
  ..
]}*)
class lifo_unit_protected_container :
  unit ->
  object
  method register_thunk : ?unprotect:unit -> ?one_shot:unit -> unit t -> id
  method register_lazy  : ?unprotect:unit -> unit Lazy.t -> id
  method remove         : id -> unit
  method get            : id -> unit t
  method revno          : int
  method apply          : unit -> unit
  method as_stack       : (unit t * linear) Container.Stack_with_identifiers.t
end
IFDEF DOCUMENTATION_OR_DEBUGGING THEN
module Test : sig
  val go : unit -> unit
end
ENDIF
 |