问传递给异步回调的引用的生存期

EN

use core::future::Future;

async fn foo(bar: &u32) {}

async fn baz<F, Fut>(f: F)
where
    F: FnOnce(&u32) -> Fut,
    Fut: Future<Output = ()>,
{
    let test: u32 = 42;
    f(&test).await;
}

#[tokio::main]
async fn main() {
    baz(foo).await;
}

error[E0308]: mismatched types
  --> src/main.rs:16:5
   |
16 |     baz(foo).await;
   |     ^^^ lifetime mismatch
   |
   = note: expected associated type `<for<'_> fn(&u32) -> impl Future<Output = ()> {foo} as FnOnce<(&u32,)>>::Output`
              found associated type `<for<'_> fn(&u32) -> impl Future<Output = ()> {foo} as FnOnce<(&u32,)>>::Output`
   = note: the required lifetime does not necessarily outlive the empty lifetime
note: the lifetime requirement is introduced here
  --> src/main.rs:7:24
   |
7  |     F: FnOnce(&u32) -> Fut,
   |                        ^^^