68 lines
2.1 KiB
C#
68 lines
2.1 KiB
C#
// ==++==
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// ==--==
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/*============================================================
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**
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** Interface: ISet
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**
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** <OWNER>kimhamil</OWNER>
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**
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**
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** Purpose: Base interface for all generic sets.
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**
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**
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===========================================================*/
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namespace System.Collections.Generic {
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using System;
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using System.Runtime.CompilerServices;
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/// <summary>
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/// Generic collection that guarantees the uniqueness of its elements, as defined
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/// by some comparer. It also supports basic set operations such as Union, Intersection,
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/// Complement and Exclusive Complement.
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/// </summary>
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public interface ISet<T> : ICollection<T> {
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//Add ITEM to the set, return true if added, false if duplicate
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new bool Add(T item);
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//Transform this set into its union with the IEnumerable<T> other
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void UnionWith(IEnumerable<T> other);
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//Transform this set into its intersection with the IEnumberable<T> other
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void IntersectWith(IEnumerable<T> other);
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//Transform this set so it contains no elements that are also in other
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void ExceptWith(IEnumerable<T> other);
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//Transform this set so it contains elements initially in this or in other, but not both
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void SymmetricExceptWith(IEnumerable<T> other);
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//Check if this set is a subset of other
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bool IsSubsetOf(IEnumerable<T> other);
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//Check if this set is a superset of other
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bool IsSupersetOf(IEnumerable<T> other);
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//Check if this set is a subset of other, but not the same as it
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bool IsProperSupersetOf(IEnumerable<T> other);
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//Check if this set is a superset of other, but not the same as it
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bool IsProperSubsetOf(IEnumerable<T> other);
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//Check if this set has any elements in common with other
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bool Overlaps(IEnumerable<T> other);
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//Check if this set contains the same and only the same elements as other
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bool SetEquals(IEnumerable<T> other);
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}
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}
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