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41 lines
1.2 KiB
41 lines
1.2 KiB
/*
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Copyright 2007-2013 The NGenerics Team
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(https://github.com/ngenerics/ngenerics/wiki/Team)
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This program is licensed under the GNU Lesser General Public License (LGPL). You should
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have received a copy of the license along with the source code. If not, an online copy
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of the license can be found at http://www.gnu.org/copyleft/lesser.html.
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*/
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using System;
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namespace NGenerics.DataStructures.General
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{
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/// <summary>
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/// An interface for the <see cref="Heap{T}"/> data structure.
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/// </summary>
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/// <typeparam name="T">The type of elements in the heap.</typeparam>
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public interface IHeap<T>
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{
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/// <summary>
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/// Adds the specified item.
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/// </summary>
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/// <param name="item">The item.</param>
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void Add(T item);
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/// <summary>
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/// Removes the root and returns it.
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/// </summary>
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/// <returns>The root of the <see cref="Heap{T}"/>.</returns>
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/// <exception cref="InvalidOperationException">The <see cref="Graph{T}"/> is empty.</exception>
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T RemoveRoot();
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/// <summary>
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/// Gets the root.
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/// </summary>
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/// <value>The root.</value>
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/// <exception cref="InvalidOperationException">The <see cref="Heap{T}"/> is empty.</exception>
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T Root { get; }
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}
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}
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