47 lines
1.8 KiB
C#
47 lines
1.8 KiB
C#
// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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// This file is ported and adapted from ComputeSharp (Sergio0694/ComputeSharp),
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// more info in ThirdPartyNotices.txt in the root of the project.
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using System;
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using System.Collections.Generic;
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using System.Collections.Immutable;
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namespace CommunityToolkit.Mvvm.SourceGenerators.Extensions;
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/// <summary>
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/// Extension methods for <see cref="HashCode"/>.
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/// </summary>
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internal static class HashCodeExtensions
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{
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/// <summary>
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/// Adds all items from a given <see cref="ImmutableArray{T}"/> instance to an hashcode.
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/// </summary>
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/// <typeparam name="T">The type of items to hash.</typeparam>
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/// <param name="hashCode">The target <see cref="HashCode"/> instance.</param>
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/// <param name="items">The input items to hash.</param>
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public static void AddRange<T>(this ref HashCode hashCode, ImmutableArray<T> items)
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{
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foreach (T item in items)
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{
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hashCode.Add(item);
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}
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}
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/// <summary>
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/// Adds all items from a given <see cref="ImmutableArray{T}"/> instance to an hashcode.
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/// </summary>
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/// <typeparam name="T">The type of items to hash.</typeparam>
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/// <param name="hashCode">The target <see cref="HashCode"/> instance.</param>
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/// <param name="comparer">A comparer to get hashcodes for <typeparamref name="T"/> items.</param>
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/// <param name="items">The input items to hash.</param>
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public static void AddRange<T>(this ref HashCode hashCode, ImmutableArray<T> items, IEqualityComparer<T> comparer)
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{
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foreach (T item in items)
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{
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hashCode.Add(item, comparer);
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}
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}
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} |