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/*
 * Copyright (c) 2020 Goldman Sachs and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and Eclipse Distribution License v. 1.0 which accompany this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 */

package org.eclipse.collections.api.stack.primitive;

import org.eclipse.collections.api.block.function.primitive.DoubleIntToObjectFunction;
import org.eclipse.collections.api.block.function.primitive.DoubleToObjectFunction;
import org.eclipse.collections.api.block.predicate.primitive.DoublePredicate;
import org.eclipse.collections.api.block.procedure.primitive.DoubleProcedure;
import org.eclipse.collections.api.list.primitive.DoubleList;
import org.eclipse.collections.api.ordered.primitive.OrderedDoubleIterable;
import org.eclipse.collections.api.stack.StackIterable;

/**
 * This file was automatically generated from template file primitiveStack.stg.
 *
 * @since 3.0.
 */
public interface DoubleStack extends OrderedDoubleIterable
{
    /**
     * Returns the top of the stack.
     */
    double peek();

    /**
     * Returns DoubleList of the number of elements specified by the count, beginning with the top of the stack.
     */
    DoubleList peek(int count);

    /**
     * Returns the element at the specified index.
     *
     * @param index the location to peek into
     */
    double peekAt(int index);

    @Override
    DoubleStack select(DoublePredicate predicate);

    @Override
    DoubleStack reject(DoublePredicate predicate);

    /**
     * @since 9.0.
     */
    @Override
    default DoubleStack tap(DoubleProcedure procedure)
    {
        this.forEach(procedure);
        return this;
    }

    @Override
     StackIterable collect(DoubleToObjectFunction function);

    /**
     * Returns a new StackIterable using results obtained by applying the specified function to each element
     * and its corresponding index.
     *
     * @since 9.1.
     */
    @Override
    default  StackIterable collectWithIndex(DoubleIntToObjectFunction function)
    {
        int[] index = { 0 };
        return this.collect(each -> function.value(each, index[0]++));
    }

    /**
     * Follows the same general contract as {@link StackIterable#equals(Object)}.
     */
    @Override
    boolean equals(Object o);

    /**
     * Follows the same general contract as {@link StackIterable#hashCode()}.
     */
    @Override
    int hashCode();

    ImmutableDoubleStack toImmutable();
}