pub fn select_all<I>(iter: I) -> SelectAll<<I::Item as IntoFuture>::Future> where
Creates a new future which will select over a list of futures.
The returned future will wait for any future within
iter to be ready. Upon
completion or failure the item resolved will be returned, along with the
index of the future that was ready and the list of all the remaining
This function will panic if the iterator specified contains no items.