On Sunday, 9 January 2022 at 12:48:37 UTC, max haughton wrote:
>
> D does have it
folding expression `...`,like this:
```d
template<class...A,class...B>
required allsame<A...>&&allsame<B...>
void f(map<A,B>&...t){
(print(t.size()),...);//here.
}
```