No problem, I recommend looking at lists.isocpp.org/std-proposals to be sure you're replying to a message in your thread

On Sat, 4 Apr 2026 at 02:46, Muneem via Std-Proposals <std-proposals@lists.isocpp.org> wrote:
Mr.Emanual taking about something completely different, so please ignore my comments.
 sorry for Mr.Emanuel.

On Sat, 4 Apr 2026, 4:44 am Muneem, <itfllow123@gmail.com> wrote:
Sorry for mistakenly mixing my email with your discussion, but std::tuples still require switch case statements for runtime indexing and masking it on a standard library level still relies on intermediate code generation for optimizations. Again really sorry for mixing it up.


On Sat, 4 Apr 2026, 4:25 am Bjorn Reese via Std-Proposals, <std-proposals@lists.isocpp.org> wrote:
On 4/3/26 20:49, Emanuel Spiridon via Std-Proposals wrote:
> I submitted the paper regarding this proposal, which can be read here:
> https://isocpp.org/files/papers/P4174R0.pdf

Notice that such type algorithms have previously been proposed in

   https://wg21.link/P0949

That proposal does not introduce its own type-list, but rather works
on any type-list, including types like std::tuple or std::variant.

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