InvariantComparer.cs

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using System.Collections;
using System.Globalization;
 
namespace System;
 
internal sealed class InvariantComparer : IComparer
{
    private readonly CompareInfo _compareInfo;
 
    internal static readonly InvariantComparer Default = new InvariantComparer();
 
    internal InvariantComparer()
    {
        _compareInfo = CultureInfo.InvariantCulture.CompareInfo;
    }
 
    public int Compare(object a, object b)
    {
        if (a is string @string && b is string string2)
        {
            return _compareInfo.Compare(@string, string2);
        }
        return Comparer.Default.Compare(a, b);
    }
}