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/* bidirsortedset.vala
*
* Copyright (C) 2012 Maciej Piechotka
*
* This library 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; either
* version 2.1 of the License, or (at your option) any later version.
* This library 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.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author:
* Maciej Piechotka <uzytkownik2@gmail.com>
*/
[GenericAccessors]
public interface Gee.BidirSortedSet<G> : SortedSet<G> {
/**
* Returns a {@link BidirIterator} that can be used for bi-directional
* iteration over this sorted set.
*
* @return a {@link BidirIterator} over this sorted set
*/
public abstract BidirIterator<G> bidir_iterator ();
/**
* The read-only view of this set.
*/
public abstract new BidirSortedSet<G> read_only_view { owned get; }
/**
* Returns an immutable empty sorted set.
*
* @return an immutable empty sorted set
*/
public static BidirSortedSet<G> empty<G> () {
return new TreeSet<G> ().read_only_view;
}
}
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