On: Understanding Rust futures by going way too deep

[richardwhiuk]

You can do:

  pub fn try_join<A: Future<Output = Result<AR, E>>, B: Future<Output = Result<BR, E>>, AR, BR, E>(a: A, b: B) -> impl Future<Output = Result<(AR, BR), E>> {

[diragon → richardwhiuk]

Rust truly is a better C++.