On 18.11.2018 5:37, Stanislav Blinov wrote:
It's only "hidden" in that there's no symbol to access it. But you can still access it via .tupleof, and it still of course affects the ABI (i.e. S.sizeof is always at least pointer size when S is nested). If you want to iterate fields, .tupleof is a better way to do it. As for that hidden pointer, you can just test with __traits(isNested, S) whether that's present, and just don't look at the last field.
But what is the reason for someone to use this pointer even via .tupleof? I still think AllMember shouldn't return it at all. Of course I can filter it using isNested or just comparing with "this" leteral during iteration. But it complicates things I believe.
P.S. using isNested seems to be more portable solution than comparing with leteral but is this pointer always the last element in AllMember trait result?
