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71 lines
1.5 KiB
71 lines
1.5 KiB
(*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*)
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open NS0
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module type S = sig
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type elt
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type t [@@deriving compare, equal, sexp_of]
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module Provide_of_sexp (_ : sig
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type t = elt [@@deriving of_sexp]
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end) : sig
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val t_of_sexp : Sexp.t -> t
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end
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(** {1 Construct} *)
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val empty : t
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val of_ : elt -> t
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val of_option : elt option -> t
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val of_list : elt list -> t
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val add : t -> elt -> t
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val add_option : elt option -> t -> t
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val add_list : elt list -> t -> t
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val diff : t -> t -> t
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val inter : t -> t -> t
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val union : t -> t -> t
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val diff_inter : t -> t -> t * t
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val union_list : t list -> t
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(** {1 Query} *)
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val is_empty : t -> bool
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val mem : t -> elt -> bool
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val is_subset : t -> of_:t -> bool
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val disjoint : t -> t -> bool
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val max_elt : t -> elt option
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val pop_exn : t -> elt * t
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(** Find and remove an unspecified element. [O(1)]. *)
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val elements : t -> elt list
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(** {1 Transform} *)
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val map : t -> f:(elt -> elt) -> t
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val filter : t -> f:(elt -> bool) -> t
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(** {1 Traverse} *)
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val iter : t -> f:(elt -> unit) -> unit
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val exists : t -> f:(elt -> bool) -> bool
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val for_all : t -> f:(elt -> bool) -> bool
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val fold : t -> init:'a -> f:('a -> elt -> 'a) -> 'a
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(** {1 Pretty-print} *)
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val pp :
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?pre:(unit, unit) fmt
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-> ?suf:(unit, unit) fmt
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-> ?sep:(unit, unit) fmt
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-> elt pp
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-> t pp
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val pp_diff : elt pp -> (t * t) pp
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end
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