private void WriteBytes(MemoryHolder address, int offset, Bytes bytes)
{
SimpleType st = (SimpleType)_type;
Debug.Assert(st._type == SimpleTypeKind.Char && bytes.Count <= _length);
address.WriteSpan(offset, bytes.AsSpan());
if (bytes.Count < _length)
{
address.WriteByte(checked (offset + bytes.Count), 0);
}
}