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60 lines
2.2 KiB
OCaml
60 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 Imperative skip-list} *)
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type 'a gen = unit -> 'a option
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type ('a, 'b) t
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(** A skip list that maps elements of type 'a to elements of type 'b *)
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val create : ?maxLevel:int -> ('a -> 'a -> int) -> ('a, 'b) t
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(** Create an empty list (comparison function required). The optional
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argument indicates how many layer the skiplist has. *)
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val clear : (_, _) t -> unit
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(** Clear content *)
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val is_empty : (_, _) t -> bool
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(** Are there any bindings in the list? *)
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val find : ('a, 'b) t -> 'a -> 'b
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(** Find mapping for 'a *)
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val mem : ('a, _) t -> 'a -> bool
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(** Does the key have a binding in the list? *)
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val add : ('a, 'b) t -> 'a -> 'b -> unit
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(** Add the mapping *)
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val remove : ('a, 'b) t -> 'a -> unit
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(** Remove binding of the key *)
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val length : (_, _) t -> int
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(** Number of elements *)
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val gen : ('a, 'b) t -> ('a * 'b) gen
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val of_gen : ('a, 'b) t -> ('a * 'b) gen -> unit
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