in include/unifex/delay.hpp [33:42]
auto operator()(Stream&& stream, Scheduler&& scheduler, Duration&& duration) const {
return adapt_stream(
(Stream &&) stream,
[scheduler = (Scheduler &&) scheduler,
duration = (Duration &&) duration](auto&& sender) {
return finally(
static_cast<decltype(sender)>(sender),
schedule_after(scheduler, duration));
});
}