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50 lines
1.2 KiB
50 lines
1.2 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 Import0
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module type S = sig
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type elt
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type t
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val compare : t -> t -> int
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val equal : t -> t -> bool
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val sexp_of_t : t -> Sexp.t
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val t_of_sexp : (Sexp.t -> elt) -> Sexp.t -> t
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val pp : elt pp -> t pp
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val pp_diff : elt pp -> (t * t) pp
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(* initial constructors *)
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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 of_vector : elt Vector.t -> t
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(* constructors *)
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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 remove : t -> elt -> t
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val filter : t -> f:(elt -> bool) -> t
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val union : t -> t -> t
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val union_list : t list -> t
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val diff : t -> t -> t
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val inter : t -> t -> t
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val diff_inter : t -> t -> t * t
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(* queries *)
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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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(* traversals *)
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val fold : t -> init:'s -> f:('s -> elt -> 's) -> 's
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end
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