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error[E0733]: recursion in an async fn requires boxing
--> $DIR/mutually-recursive-async-impl-trait-type.rs:5:1
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LL | async fn rec_1() {
| ^^^^^^^^^^^^^^^^
LL | rec_2().await;
| ------------- recursive call here
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note: which leads to this async fn
--> $DIR/mutually-recursive-async-impl-trait-type.rs:9:1
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LL | async fn rec_2() {
| ^^^^^^^^^^^^^^^^
LL | rec_1().await;
| ------------- ...leading to this recursive call
= note: a recursive `async fn` call must introduce indirection such as `Box::pin` to avoid an infinitely sized future
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0733`.
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