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(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(** This module contains numerous utility functions on strings, lists,
arrays, etc. *)
(** Mapping under pairs *)
val on_fst : ('a -> 'b) -> 'a * 'c -> 'b * 'c
val on_snd : ('a -> 'b) -> 'c * 'a -> 'c * 'b
val map_pair : ('a -> 'b) -> 'a * 'a -> 'b * 'b
(** Mapping under triple *)
val on_pi1 : ('a -> 'b) -> 'a * 'c * 'd -> 'b * 'c * 'd
val on_pi2 : ('a -> 'b) -> 'c * 'a * 'd -> 'c * 'b * 'd
val on_pi3 : ('a -> 'b) -> 'c * 'd * 'a -> 'c * 'd * 'b
(** {6 Projections from triplets } *)
val pi1 : 'a * 'b * 'c -> 'a
val pi2 : 'a * 'b * 'c -> 'b
val pi3 : 'a * 'b * 'c -> 'c
(** {6 Chars. } *)
val is_letter : char -> bool
val is_digit : char -> bool
val is_ident_tail : char -> bool
val is_blank : char -> bool
(** {6 Strings. } *)
val explode : string -> string list
val implode : string list -> string
val strip : string -> string
val string_map : (char -> char) -> string -> string
val drop_simple_quotes : string -> string
val string_index_from : string -> int -> string -> int
val string_string_contains : where:string -> what:string -> bool
val plural : int -> string -> string
val ordinal : int -> string
val split_string_at : char -> string -> string list
(** Substitute %s in the first chain by the second chain *)
val subst_command_placeholder : string -> string -> string
val parse_loadpath : string -> string list
module Stringset : Set.S with type elt = string
module Stringmap : Map.S with type key = string
(** {6 Lists. } *)
module List : CList.ExtS
val (@) : 'a list -> 'a list -> 'a list
(** {6 Arrays. } *)
module Array : CArray.ExtS
(** {6 Streams. } *)
val stream_nth : int -> 'a Stream.t -> 'a
val stream_njunk : int -> 'a Stream.t -> unit
(** {6 Matrices. } *)
val matrix_transpose : 'a list list -> 'a list list
(** {6 Functions. } *)
val identity : 'a -> 'a
val compose : ('a -> 'b) -> ('c -> 'a) -> 'c -> 'b
val const : 'a -> 'b -> 'a
val iterate : ('a -> 'a) -> int -> 'a -> 'a
val repeat : int -> ('a -> unit) -> 'a -> unit
val iterate_for : int -> int -> (int -> 'a -> 'a) -> 'a -> 'a
val app_opt : ('a -> 'a) option -> 'a -> 'a
(** {6 Delayed computations. } *)
type 'a delayed = unit -> 'a
val delayed_force : 'a delayed -> 'a
(** {6 Misc. } *)
type ('a, 'b) union = Inl of 'a | Inr of 'b
module Intset : Set.S with type elt = int
module Intmap : Map.S with type key = int
(** {6 ... } *)
(** Coq interruption: set the following boolean reference to interrupt Coq
(it eventually raises [Break], simulating a Ctrl-C) *)
val interrupt : bool ref
val check_for_interrupt : unit -> unit
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