Interesting work on packing tuple layout

[Avrina]

On Sunday, 14 June 2020 at 03:57:40 UTC, Andrei Alexandrescu 
wrote:
> On 6/13/20 11:55 PM, Avrina wrote:
>> On Sunday, 14 June 2020 at 03:08:48 UTC, Andrei Alexandrescu 
>> wrote:
>>> On 6/13/20 7:30 PM, Timon Gehr wrote:
>>>> Another question is if automatic packing is worth making the 
>>>> layout harder to predict.
>>>
>>> I think so. Size does matter.
>> 
>> If you are talking about implementing a tuple type into the 
>> language,
>
> negative

The situation also applies to the only tuple implementation in D. 
If you are proposing a new type with emphasis on reducing the 
footprint of the tuple then I don't see a problem with that. 
Changing the existing tuple implementation would be problematic.