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fastutil extends the Java Collections Framework by providing type-specific maps, sets, lists, and queues with a small memory footprint and fast operations; it provides also big (64-bit) arrays, sets, and lists, sorting algorithms, fast, practical I/O classes for binary and text files, and facilities for memory mapping large files. This jar (fastutil-core.jar) contains data structures based on integers, longs, doubles, and objects, only; fastutil.jar contains all classes. If you have both jars in your dependencies, this jar should be excluded.

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/*
	* Copyright (C) 2002-2022 Sebastiano Vigna
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	*     http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/
package it.unimi.dsi.fastutil.objects;
import java.lang.Iterable;
/** A type-specific {@link Iterable} that strengthens that specification of {@link #iterator()}.
	*
	* @see Iterable
	*/
public interface ObjectIterable  extends Iterable {
	/** Returns a type-specific iterator.
	 *
	 * @apiNote Note that this specification strengthens the one given in {@link Iterable#iterator()}.
	 *
	 * @return a type-specific iterator.
	 * @see Iterable#iterator()
	 */
	@Override
	ObjectIterator  iterator();
	// If you change these default spliterator methods, you will likely need to update Collection, List, Set, and SortedSet too.
	/** Returns a type-specific spliterator on the elements of this iterable.
	 *
	 * @apiNote Note that this specification strengthens the one given in
	 * {@link java.lang.Iterable#spliterator()}.
	 *
	 * @return a type-specific spliterator on the elements of this iterable.
	 * @since 8.5.0
	 */
	@Override
	default ObjectSpliterator  spliterator() {
	 return ObjectSpliterators.asSpliteratorUnknownSize(iterator(), 0);
	}
}