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fastutil extends the Java Collections Framework by providing type-specific maps, sets, lists and priority queues with a small memory footprint and fast access and insertion; provides also big (64-bit) arrays, sets and lists, and fast, practical I/O classes for binary and text files.

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/*
	* Copyright (C) 2002-2020 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.floats;
import java.util.Set;
/**
 * A type-specific {@link Set}; provides some additional methods that use
 * polymorphism to avoid (un)boxing.
 *
 * 
 * Additionally, this interface strengthens (again) {@link #iterator()}.
 *
 * @see Set
 */
public interface FloatSet extends FloatCollection, Set {
	/**
	 * Returns a type-specific iterator on the elements of this set.
	 *
	 * 

	 * Note that this specification strengthens the one given in
	 * {@link java.lang.Iterable#iterator()}, which was already strengthened in the
	 * corresponding type-specific class, but was weakened by the fact that this
	 * interface extends {@link Set}.
	 *
	 * @return a type-specific iterator on the elements of this set.
	 */
	@Override
	FloatIterator iterator();
	/**
	 * Removes an element from this set.
	 *
	 * 

	 * Note that the corresponding method of a type-specific collection is
	 * {@code rem()}. This unfortunate situation is caused by the clash with the
	 * similarly named index-based method in the {@link java.util.List} interface.
	 *
	 * @see java.util.Collection#remove(Object)
	 */
	boolean remove(float k);
	/**
	 * {@inheritDoc}
	 * 
	 * @deprecated Please use the corresponding type-specific method instead.
	 */
	@SuppressWarnings("deprecation")
	@Deprecated
	@Override
	default boolean remove(final Object o) {
		return FloatCollection.super.remove(o);
	}
	/**
	 * {@inheritDoc}
	 * 
	 * @deprecated Please use the corresponding type-specific method instead.
	 */
	@SuppressWarnings("deprecation")
	@Deprecated
	@Override
	default boolean add(final Float o) {
		return FloatCollection.super.add(o);
	}
	/**
	 * {@inheritDoc}
	 * 
	 * @deprecated Please use the corresponding type-specific method instead.
	 */
	@SuppressWarnings("deprecation")
	@Deprecated
	@Override
	default boolean contains(final Object o) {
		return FloatCollection.super.contains(o);
	}
	/**
	 * Removes an element from this set.
	 *
	 * 
	 * This method is inherited from the type-specific collection this type-specific
	 * set is based on, but it should not used as this interface reinstates
	 * {@code remove()} as removal method.
	 *
	 * @deprecated Please use {@code remove()} instead.
	 */
	@Deprecated
	@Override
	default boolean rem(float k) {
		return remove(k);
	}
	/**
	 * Creates a new set using a list of elements.
	 *
	 * @param a
	 *            a list of elements that will be used to initialize the new set.
	 */
	@SafeVarargs
	public static FloatSet of(final float... a) {
		return new FloatOpenHashSet(a);
	}
}