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(*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*)
(** Global namespace opened in each source file by the build system *)
include module type of Stdio
include module type of Import0
(** Tuple operations *)
val fst3 : 'a * _ * _ -> 'a
(** First projection from a triple. *)
val snd3 : _ * 'a * _ -> 'a
(** Second projection from a triple. *)
val trd3 : _ * _ * 'a -> 'a
(** Third projection from a triple. *)
(** Function combinators *)
val ( >> ) : ('a -> 'b) -> ('b -> 'c) -> 'a -> 'c
(** Composition of functions: [(f >> g) x] is exactly equivalent to
[g (f (x))]. Left associative. *)
val ( << ) : ('b -> 'c) -> ('a -> 'b) -> 'a -> 'c
(** Reverse composition of functions: [(g << f) x] is exactly equivalent to
[g (f (x))]. Left associative. *)
val ( $ ) : ('a -> unit) -> ('a -> 'b) -> 'a -> 'b
(** Sequential composition of functions: [(f $ g) x] is exactly equivalent
to [(f x) ; (g x)]. Left associative. *)
val ( $> ) : 'a -> ('a -> unit) -> 'a
(** Reverse apply and ignore function: [x $> f] is exactly equivalent to
[f x ; x]. Left associative. *)
val ( <$ ) : ('a -> unit) -> 'a -> 'a
(** Apply and ignore function: [f <$ x] is exactly equivalent to [f x ; x].
Left associative. *)
(** Failures *)
exception Unimplemented of string
val fail : ('a, unit -> _) fmt -> 'a
(** Emit a message at the current indentation level, and raise a [Failure]
exception indicating a fatal error. *)
val todo : ('a, unit -> _) fmt -> 'a
(** Raise an [Unimplemented] exception indicating that an input is valid but
not handled by the current implementation. *)
val warn : ('a, unit -> unit) fmt -> 'a
(** Issue a warning for a survivable problem. *)
(** Assertions *)
val assertf : bool -> ('a, unit -> unit) fmt -> 'a
(** Raise an [Failure] exception if the bool argument is false, indicating
that the expected condition was not satisfied. *)
val checkf : bool -> ('a, unit -> bool) fmt -> 'a
(** As [assertf] but returns the argument bool. *)
val check : ('a -> unit) -> 'a -> 'a
(** Assert that function does not raise on argument, and return argument. *)
val violates : ('a -> unit) -> 'a -> _
(** Assert that function raises on argument. *)
type 'a or_error = ('a, exn * Caml.Printexc.raw_backtrace) result
val or_error : ('a -> 'b) -> 'a -> unit -> 'b or_error
(** [or_error f x] runs [f x] and converts unhandled exceptions to errors. *)
(** Extensions *)
module Invariant : module type of Base.Invariant
module Unit = Base.Unit
type unit = Unit.t [@@deriving compare, equal, hash, sexp]
module Bool = Base.Bool
type bool = Bool.t [@@deriving compare, equal, hash, sexp]
module Char = Base.Char
type char = Char.t [@@deriving compare, equal, hash, sexp]
module Int = Base.Int
type int = Int.t [@@deriving compare, equal, hash, sexp]
module Int64 = Base.Int64
type int64 = Int64.t [@@deriving compare, equal, hash, sexp]
module Z : sig
include module type of struct include Z end
val compare : t -> t -> int
val hash : t -> int
val hash_fold_t : t Hash.folder
val t_of_sexp : Sexp.t -> t
val sexp_of_t : t -> Sexp.t
val pp : t pp
val true_ : t
val false_ : t
val of_bool : bool -> t
val is_true : t -> bool
val is_false : t -> bool
end
module Q : sig
include module type of struct include Q end
val of_z : Z.t -> t
val compare : t -> t -> int
val hash : t -> int
val hash_fold_t : t Hash.folder
val t_of_sexp : Sexp.t -> t
val sexp_of_t : t -> Sexp.t
val pp : t pp
end
module String : sig
include module type of Base.String
type t = String.t [@@deriving compare, equal, hash, sexp]
module Map : Map.S with type key = string
end
type string = String.t [@@deriving compare, equal, hash, sexp]
module Option = Option
type 'a option = 'a Option.t [@@deriving compare, equal, hash, sexp]
include module type of Option.Monad_infix
include module type of Option.Monad_syntax with type 'a t = 'a option
module Result = Base.Result
module Array : sig
include module type of Base.Array
val pp : (unit, unit) fmt -> 'a pp -> 'a array pp
end
module IArray = IArray
include module type of IArray.Infix
module List = List
type 'a list = 'a List.t [@@deriving compare, equal, hash, sexp]
module Hash_queue = Core_kernel.Hash_queue
module Set = Set
module Hash_set = Base.Hash_set
module Map = Map
module Qset = Qset
module Hashtbl = Base.Hashtbl