SequencePosition.cs

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using System.ComponentModel;
using System.Diagnostics.CodeAnalysis;
 
namespace System;
 
public readonly struct SequencePosition : IEquatable<SequencePosition>
{
    private readonly object _object;
 
    private readonly int _integer;
 
    public SequencePosition(object? @object, int integer)
    {
        _object = @object;
        _integer = integer;
    }
 
    [EditorBrowsable(EditorBrowsableState.Never)]
    public object? GetObject()
    {
        return _object;
    }
 
    [EditorBrowsable(EditorBrowsableState.Never)]
    public int GetInteger()
    {
        return _integer;
    }
 
    public bool Equals(SequencePosition other)
    {
        if (_integer == other._integer)
        {
            return object.Equals(_object, other._object);
        }
        return false;
    }
 
    [EditorBrowsable(EditorBrowsableState.Never)]
    public override bool Equals([NotNullWhen(true)] object? obj)
    {
        if (obj is SequencePosition other)
        {
            return Equals(other);
        }
        return false;
    }
 
    [EditorBrowsable(EditorBrowsableState.Never)]
    public override int GetHashCode()
    {
        return HashCode.Combine(_object?.GetHashCode() ?? 0, _integer);
    }
}