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error[E0733]: recursion in an `async fn` requires boxing
--> $DIR/async-recursive.rs:13:48
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LL | async fn foo_recursive(&self, n: usize) -> i32 {
| ^^^ recursive `async fn`
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= note: a recursive `async fn` must be rewritten to return a boxed `dyn Future`
= note: consider using the `async_recursion` crate: https://crates.io/crates/async_recursion
error: aborting due to previous error
For more information about this error, try `rustc --explain E0733`.
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