Object.cs

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using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
 
namespace System;
 
[Serializable]
[ClassInterface(ClassInterfaceType.AutoDispatch)]
[ComVisible(true)]
[TypeForwardedFrom("mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")]
public class Object
{
    [MethodImpl(MethodImplOptions.InternalCall)]
    [Intrinsic]
    public extern Type GetType();
 
    [Intrinsic]
    protected unsafe object MemberwiseClone()
    {
        object obj = RuntimeHelpers.AllocateUninitializedClone(this);
        nuint rawObjectDataSize = RuntimeHelpers.GetRawObjectDataSize(obj);
        ref byte rawData = ref this.GetRawData();
        ref byte rawData2 = ref obj.GetRawData();
        if (RuntimeHelpers.GetMethodTable(obj)->ContainsGCPointers)
        {
            Buffer.BulkMoveWithWriteBarrier(ref rawData2, ref rawData, rawObjectDataSize);
        }
        else
        {
            Buffer.Memmove(ref rawData2, ref rawData, rawObjectDataSize);
        }
        return obj;
    }
 
    [NonVersionable]
    public Object()
    {
    }
 
    [NonVersionable]
    ~Object()
    {
    }
 
    public virtual string? ToString()
    {
        return GetType().ToString();
    }
 
    public virtual bool Equals(object? obj)
    {
        return RuntimeHelpers.Equals(this, obj);
    }
 
    public static bool Equals(object? objA, object? objB)
    {
        if (objA == objB)
        {
            return true;
        }
        if (objA == null || objB == null)
        {
            return false;
        }
        return objA.Equals(objB);
    }
 
    [NonVersionable]
    public static bool ReferenceEquals(object? objA, object? objB)
    {
        return objA == objB;
    }
 
    public virtual int GetHashCode()
    {
        return RuntimeHelpers.GetHashCode(this);
    }
}