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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) 2002-2017 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 PACKAGE;

import it.unimi.dsi.fastutil.Stack;

/** A type-specific {@link Stack}; provides some additional methods that use polymorphism to avoid (un)boxing. */

public interface STACK KEY_GENERIC extends Stack {

	/** Pushes the given object on the stack.
	 * @param k the object to push on the stack.
	 * @see Stack#push(Object)
	 */
	void push(KEY_TYPE k);

	/** Pops the top off the stack.
	 *
	 * @return the top of the stack.
	 * @see Stack#pop()
	 */
	KEY_TYPE POP();

	/** Peeks at the top of the stack (optional operation).
	 * @return the top of the stack.
	 * @see Stack#top()
	 */
	KEY_TYPE TOP();

	/** Peeks at an element on the stack (optional operation).
	 * @param i an index from the stop of the stack (0 represents the top).
	 * @return the i-th element on the stack.
	 * @see Stack#peek(int)
	 */
	KEY_TYPE PEEK(int i);

	/** {@inheritDoc}
	 * This default implementation delegates to the corresponding type-specific method.
	 * @deprecated Please use the corresponding type-specific method instead. */
	@Deprecated
	@Override
	default void push(KEY_GENERIC_CLASS o) {
		push(o.KEY_VALUE());
	}

	/** {@inheritDoc}
	 * 
This default implementation delegates to the corresponding type-specific method.
	 * @deprecated Please use the corresponding type-specific method instead. */
	@Deprecated
	@Override
	default KEY_GENERIC_CLASS pop() {
		return KEY_CLASS.valueOf(POP());
	}

	/** {@inheritDoc}
	 * 
This default implementation delegates to the corresponding type-specific method.
	 * @deprecated Please use the corresponding type-specific method instead. */
	@Deprecated
	@Override
	default KEY_GENERIC_CLASS top() {
		return KEY_CLASS.valueOf(TOP());
	}

	/** {@inheritDoc}
	 * This default implementation delegates to the corresponding type-specific method.
	 * @deprecated Please use the corresponding type-specific method instead. */
	@Deprecated
	@Override
	default KEY_GENERIC_CLASS peek(final int i) {
		return KEY_CLASS.valueOf(PEEK(i));
	}
}