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(*
* Copyright (C) 2006-2009 Citrix Systems Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; version 2.1 only. with the special
* exception on linking described in file LICENSE.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*)
module Hashtbl = struct include Hashtbl
let to_list tbl =
Hashtbl.fold (fun k v acc -> (k, v) :: acc) tbl []
let fold_keys tbl =
Hashtbl.fold (fun k v acc -> k :: acc) tbl []
let fold_values tbl =
Hashtbl.fold (fun k v acc -> v :: acc) tbl []
let add_empty tbl k v =
if not (Hashtbl.mem tbl k) then
Hashtbl.add tbl k v
let add_list tbl l =
List.iter (fun (k, v) -> Hashtbl.add tbl k v) l
let of_list l =
let tbl = Hashtbl.create (List.length l) in
add_list tbl l;
tbl
end
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