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error[E0308]: mismatched types
--> $DIR/higher-ranked-auto-trait-1.rs:37:5
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LL | / async {
LL | | let _y = &();
LL | | let _x = filter(FilterMap {
LL | | f: || async move { *_y },
... |
LL | | drop(_x);
LL | | }
| |_____^ one type is more general than the other
|
= note: expected `async` block `{async block@$DIR/higher-ranked-auto-trait-1.rs:40:19: 40:29}`
found `async` block `{async block@$DIR/higher-ranked-auto-trait-1.rs:40:19: 40:29}`
= note: no two async blocks, even if identical, have the same type
= help: consider pinning your async block and casting it to a trait object
error[E0308]: mismatched types
--> $DIR/higher-ranked-auto-trait-1.rs:37:5
|
LL | / async {
LL | | let _y = &();
LL | | let _x = filter(FilterMap {
LL | | f: || async move { *_y },
... |
LL | | drop(_x);
LL | | }
| |_____^ one type is more general than the other
|
= note: expected `async` block `{async block@$DIR/higher-ranked-auto-trait-1.rs:40:19: 40:29}`
found `async` block `{async block@$DIR/higher-ranked-auto-trait-1.rs:40:19: 40:29}`
= note: no two async blocks, even if identical, have the same type
= help: consider pinning your async block and casting it to a trait object
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0308`.
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