Porting std.typecons to Phobos 3

[monkyyy]

On Sunday, 17 November 2024 at 12:51:44 UTC, Paul Backus wrote:
> 
> Is there any place where interested parties can check on the 
> current state of Phobos 3 development,

I believe everyone new eventually left the planning forums and 
the actual code consists of 4(ish) copy and pasted files from 
phoboes v2; feel free to guess my opinion on the the forum posts 
about highly theoretical range api bug fixes.