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(* Open Source License                                                       *)
(* Copyright (c) 2018 Dynamic Ledger Solutions, Inc. <contact@tezos.com>     *)
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module Infix : sig

  (** Compose functions from right to left. *)
  val (<<) : ('b -> 'c) -> ('a -> 'b) -> 'a -> 'c

  (** Sequence: [i--j] is the sequence [i;i+1;...;j-1;j] *)
  val (--) : int -> int -> int list

end

(** Print a paragraph in a box **)
val display_paragraph: Format.formatter -> string -> unit

(** [finalize f g ] ensures g() called after f(), even if exception raised **)
val finalize: (unit -> 'a) -> (unit -> unit) -> 'a