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68 lines
2.2 KiB
OCaml
68 lines
2.2 KiB
OCaml
(*
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Copyright (c) 2013, Simon Cruanes
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer. Redistributions in binary
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form must reproduce the above copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other materials provided with
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the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*)
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(** {1 Small set structure} *)
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(** This set structure is polymorphic, using a user-provided comparison
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function. It is implemented as a sorted list, so most operations
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are in linear time. *)
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type 'a t
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(** Set of elements of type 'a *)
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val empty : cmp:('a -> 'a -> int) -> 'a t
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(** Create an empty set *)
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val is_empty : _ t -> bool
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(** Is the set empty? *)
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val mem : 'a t -> 'a -> bool
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(** Is the element member of the set? *)
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val add : 'a t -> 'a -> 'a t
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(** add an element *)
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val remove : 'a t -> 'a -> 'a t
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(** Remove element *)
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val choose : 'a t -> 'a
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(** Some element of the set, of Not_found *)
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val fold : ('a -> 'b -> 'a) -> 'a -> 'b t -> 'a
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(** Fold on elements *)
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val iter : ('a -> unit) -> 'a t -> unit
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(** Iterate on elements *)
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val size : _ t -> int
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(** Number of elements *)
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val to_seq : 'a t -> 'a Sequence.t
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val of_seq : 'a t -> 'a Sequence.t -> 'a t
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val to_list : 'a t -> 'a list
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val of_list : 'a t -> 'a list -> 'a t
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