Re: [boost] Common future base class (was Re: Boost.Fibermini-review September 4-13)

Hartmut Kaiser wrote:

template <typename Future...> requires(is_future<Future>)... future> when_all(Future &&... f) { (await f)...; return make_tuple(std::forward<Future>(f)...); }

I've always found when_any much more interesting than when_all. Is it as trivial to implement with await as when_all?