/usr/lib/ocaml/batteries/batBool.mli is in libbatteries-ocaml-dev 2.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* BatBool - Extended booleans
* Copyright (C) 2007 Bluestorm <bluestorm dot dylc on-the-server gmail dot com>
* 2008 David Teller
*
* This library is free software; 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; either
* version 2.1 of the License, or (at your option) any later version,
* with the special exception on linking described in file LICENSE.
*
* This library 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*)
(**Operations on booleans
@author Gabriel Scherer
@author David Teller
*)
type t = bool
(**The type of booleans. Formally, this is defined as [type t = true | false] *)
external not : bool -> bool = "%boolnot"
(** The boolean negation. *)
external ( && ) : bool -> bool -> bool = "%sequand"
(** The boolean ``and''. Evaluation is sequential, left-to-right:
in [e1 && e2], [e1] is evaluated first, and if it returns [false],
[e2] is not evaluated at all. *)
external ( || ) : bool -> bool -> bool = "%sequor"
(** The boolean ``or''. Evaluation is sequential, left-to-right:
in [e1 || e2], [e1] is evaluated first, and if it returns [true],
[e2] is not evaluated at all. *)
val zero : bool
val one : bool
val neg : bool -> bool
val succ : bool -> bool
val pred : bool -> bool
val abs : bool -> bool
val add : bool -> bool -> bool
val mul : bool -> bool -> bool
val sub : bool -> bool -> bool
val div : t -> t -> t
val modulo : t -> t -> t
val pow : t -> t -> t
val min_num : bool
val max_num : bool
val compare : bool -> bool -> int
val equal : bool -> bool -> bool
val ord : bool -> bool -> BatOrd.order
val of_int : int -> bool (** anything but [0] is [true] *)
val to_int : bool -> int
val of_string : string -> bool
(** Convert the given string to a boolean.
@raise Invalid_argument if the string is not
["true"], ["false"], ["0"], ["1"], ["tt"] or ["ff"]. *)
val to_string : bool -> string
val of_float : float -> bool
(** [0.], [nan] [+infinity] and [-infiity] are [false]. The other values convert to [true] *)
val to_float : bool -> float
val ( + ) : t -> t -> t
val ( - ) : t -> t -> t
val ( * ) : t -> t -> t
val ( / ) : t -> t -> t
val ( ** ) : t -> t -> t
(* Available only in `Compare` submodule
val ( <> ) : t -> t -> bool
val ( >= ) : t -> t -> bool
val ( <= ) : t -> t -> bool
val ( > ) : t -> t -> bool
val ( < ) : t -> t -> bool
val ( = ) : t -> t -> bool
*)
val ( -- ): t -> t -> t BatEnum.t
val ( --- ): t -> t -> t BatEnum.t
val operations : t BatNumber.numeric
(** {6 Submodules grouping all infix operators} *)
module Infix : BatNumber.Infix with type bat__infix_t = t
module Compare : BatNumber.Compare with type bat__compare_t = t
(** {6 Boilerplate code}*)
(** {7 Printing}*)
val print: 'a BatInnerIO.output -> t -> unit
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