Here is an unfortunately very late paper providing further explanation
for FI-064 (splicing).

https://isocpp.org/files/papers/P4473R0.html

On 08/11/2026 0.38, Hana Dusíková via SG7 wrote:
> Dear SG7 kidnapees, school-yard bullies, nerds, innocent bystanders,
> mountaineers,
>
> we are going to have an 4FA SG7 telecon this Wednesday, on zoom:
>
> https://iso.zoom.us/j/95914491492 the password is not part of the
> link, and you must do some self-reflection and type it o your own:
> [:^^_:][_]
>
> Good luck!
>
> The meeting starts and ends depending on your spatial and temporal
> location:
>
> 18:00 - 20:00 CET 🇪🇺
> 17:00 - 19:00 UTC 💂🏿‍♀️
> 19:00 - 21:00 EET 🗡️
> 20-00 - 22:00 MSK🪆
> 09:00am - 11:00am PST 🌁
> 10:00am - noon MST 🏔️
> noon - 2pm EST 🗽
> 02:00am - 04:00am JST 👘
> 10:30pm - 00:30am IST 🪷
> 07:00am - 09:00am HST vo🌋
>
> (it's also in the calendar)
>
> sidenote: I need a scribe! ⚠️
>
> We are going to discuss following DIS comments:
>
> * https://github.com/cplusplus/nbballot/issues/1013 "make results of
> define_*_static functions structural, so it can be used directly
> as CNTTP"
> * https://github.com/cplusplus/nbballot/issues/1006 "reflection of
> standard library entities" (mostly module related, it's reflection
> of using-declarations, which is currently ill-formed)
> * https://github.com/cplusplus/nbballot/issues/1005 "disallow obj.[:
> private_reflection :] splicing of private members" (maybe it will
> go directly to EWG, depending on the response from author)
>
>
> And these are all related papers, or papers proposing the fixes:
>
> * P4414R0
> <https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2026/p4414r0.html> (Ville's
> paper from mailing which proposed special context specific keyword)
> * P4340R0
> <https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2026/p4340r.html> (Barry's
> paper from September mailing for c++26 providing generic and
> customizable solution) (there is a newer version here: D4341R1
> <https://brevzin.github.io/cpp_proposals/4340_extend_cnttp_3/p4340r1.html> (contains
> wording!)
> * D4442R0 <https://isocpp.org/files/papers/D4442R0.html> (Ville's
> paper summarizing SG7 Mattermost discussion, proposing future
> compatible way with P4340 without customization, only as
> opt-in/opt-out for structurality of types)
> * P3687R1
> <https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2025/p3687r1.html> (Dan's
> paper from Sofia which proposed way how to handle
> using-declaration, but we decided to make them ill-formed, in
> order to find a good solution later)
> * There is no paper for the splicing (the third comment) AFAIK, this
> will be discussed in EWG week later in Búzios
>
>
> I probably forgot some, so if anyone working on these please send them
> to this thread.
>
> Also meeting notes will be edited here during the meeting:
> https://docs.google.com/document/d/1SQMMIlbtahNDE70SnKMfos6Mlf2sGPo0ryg0ANWjhFU/edit?usp=sharing
>
> And I think that's all.
>
> Hana
>
>