Transpose Result/Option of Future to Future of Result/Option.
For collections of multiple elements use join instead.
# use TransposeFuture;
# async
Transpose Result/Option of Future to Future of Result/Option.
For collections of multiple elements use join instead.
# use transpose_future::TransposeFuture;
# async fn m() {
let x: Option<i32> = Some(async {5}).transpose().await;
# }