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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Runtime.Serialization;
namespace System.Collections.Generic
{
// Comparers that exist for serialization compatibility with .NET Framework
[Serializable]
[System.Runtime.CompilerServices.TypeForwardedFrom("mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")]
public sealed class ByteEqualityComparer : EqualityComparer<byte>
{
public override bool Equals(byte x, byte y)
{
return x == y;
}
public override int GetHashCode(byte obj)
{
return obj.GetHashCode();
}
// Equals method for the comparer itself.
public override bool Equals(object obj) => obj != null && GetType() == obj.GetType();
public override int GetHashCode() => GetType().GetHashCode();
}
[Serializable]
[System.Runtime.CompilerServices.TypeForwardedFrom("mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")]
public sealed class SByteEnumEqualityComparer<T> : EnumEqualityComparer<T> where T : struct
{
private SByteEnumEqualityComparer(SerializationInfo information, StreamingContext context) { }
}
[Serializable]
[System.Runtime.CompilerServices.TypeForwardedFrom("mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")]
public sealed class ShortEnumEqualityComparer<T> : EnumEqualityComparer<T> where T : struct
{
private ShortEnumEqualityComparer(SerializationInfo information, StreamingContext context) { }
}
[Serializable]
[System.Runtime.CompilerServices.TypeForwardedFrom("mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")]
public sealed class LongEnumEqualityComparer<T> : EnumEqualityComparer<T> where T : struct
{
private LongEnumEqualityComparer(SerializationInfo information, StreamingContext context) { }
}
}
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