us supporting .NET Standard 2.0 also means we support .NET Framework 4.6.1 😉

//this works
var debugCreateInfo = DebugMessengerEnabled ? CreateDebugUtilsMessengerCreateInfoExt() : (default);
var createInfo = new InstanceCreateInfo()
{
    PNext = DebugMessengerEnabled ? &debugCreateInfo : null
};

//this doesn't because nullable changes the struct and it crashes at runtime
var debugCreateInfo = DebugMessengerEnabled ? CreateDebugUtilsMessengerCreateInfoExt() : (DebugUtilsMessengerCreateInfoEXT?)null;
var createInfo = new InstanceCreateInfo()
{
    PNext = DebugMessengerEnabled ? &debugCreateInfo : null
};

//this throws a compile error Cannot take the address of the given expression
var debugCreateInfo = DebugMessengerEnabled ? CreateDebugUtilsMessengerCreateInfoExt() : (DebugUtilsMessengerCreateInfoEXT?)null;

var createInfo = new InstanceCreateInfo()
{
    PNext = DebugMessengerEnabled ? &debugCreateInfo.Value : null
};

        public void Update(
            IGetBufferData getBufferDataFrom)
        {

            if (!this.offsets.TryGetValue(getBufferDataFrom, out var offset))
                return;

            this.gl.BindBuffer(BufferTargetARB.CopyWriteBuffer, this.buffer);

            if (_popFcn == null)
            {
                _popFcn = (ReadOnlySpan<byte> bufferData, ref uint offsetLocal) =>
                {
                    this.gl.BufferSubData<byte>(BufferTargetARB.CopyWriteBuffer, (int)offsetLocal, bufferData);
                };
            }

            getBufferDataFrom.GetBufferData(_popFcn, ref offset);

            this.gl.BindBuffer(BufferTargetARB.CopyWriteBuffer, 0);

        }