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Re:C++20 Idioms for Parameter Packs by gpderetta on Tuesday February 27, 2024 @10:31AM (#39525231)
There is in fact a whole section on comma folds.

Aside from the fact that the articles shows many use cases where packs and fold expressions obviate the need for recursion, what's so bad about recursive template instantiations?

Re:C++20 Idioms for Parameter Packs by corysama on Tuesday February 27, 2024 @11:01AM (#39525641)
If you can use a comma fold instead of recursion, please do. They are a small hurdle to learn and, after that, much easier to follow.