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error[E0609]: no field `field` on type `impl Future<Output = S>`
--> $DIR/field-in-sync.rs:10:11
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LL | foo().field;
| ^^^^^ field not available in `impl Future`, but it is available in its `Output`
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note: this implements `Future` and its output type has the field, but the future cannot be awaited in a synchronous function
--> $DIR/field-in-sync.rs:10:5
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LL | fn main() -> Result<(), ()> {
| --------------------------- this is not `async`
LL | foo().field;
| ^^^^^
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0609`.
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