53 lines
1.9 KiB
C#
53 lines
1.9 KiB
C#
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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* All rights reserved.
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*
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* Licensed under the Oculus SDK License Agreement (the "License");
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* you may not use the Oculus SDK except in compliance with the License,
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* which is provided at the time of installation or download, or which
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* otherwise accompanies this software in either electronic or hard copy form.
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*
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* You may obtain a copy of the License at
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*
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* https://developer.oculus.com/licenses/oculussdk/
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*
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* Unless required by applicable law or agreed to in writing, the Oculus SDK
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using System.Collections.Generic;
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namespace Oculus.Interaction.Collections
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{
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/// <summary>
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/// Exposes a GetEnumerator method with a non-allocating
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/// HashSet.Enumerator struct.
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/// </summary>
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public interface IEnumerableHashSet<T> : IEnumerable<T>
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{
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int Count { get; }
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new HashSet<T>.Enumerator GetEnumerator();
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bool Contains(T item);
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bool IsProperSubsetOf(IEnumerable<T> other);
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bool IsProperSupersetOf(IEnumerable<T> other);
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bool IsSubsetOf(IEnumerable<T> other);
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bool IsSupersetOf(IEnumerable<T> other);
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public bool Overlaps(IEnumerable<T> other);
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public bool SetEquals(IEnumerable<T> other);
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}
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/// <summary>
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/// A Hash set that implements the <see cref="IEnumerableHashSet{T}"/>
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/// interface, to use for non-allocating iteration of a HashSet
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/// </summary>
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public class EnumerableHashSet<T> : HashSet<T>, IEnumerableHashSet<T>
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{
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public EnumerableHashSet() : base() { }
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public EnumerableHashSet(IEnumerable<T> values) : base(values) { }
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}
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}
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