Warp error: error[E0277]：特征绑定` `impl：：Future:warp：：FilterBase`不满足

Question

曲速返回错误，

error[E0277]: the trait bound `impl warp::Future: warp::filter::FilterBase` is not satisfied
  --> src/http.rs:31:26
   |
31 |     let routes = index().or(users());
   |                             ^^^^^^^ the trait `warp::filter::FilterBase` is not implemented for `impl warp::Future`

我基本上有了这个，

pub async fn users() -> impl Filter<Extract = impl warp::Reply, Error = warp::Rejection> + Clone {
  # stuff
}

我做错了什么？

Answer 1

or接受返回Filter的函数。您的函数被标记为async，并返回一个Future<Output = Filter>。您可以改用or的异步版本or_else

let routes = index().or_else(users());