30 lines
1.3 KiB
Text
30 lines
1.3 KiB
Text
error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
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--> $DIR/try-on-option-in-async.rs:8:9
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LL | x?;
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| ^^ cannot use the `?` operator in an async block that returns `{integer}`
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= help: the trait `std::ops::Try` is not implemented for `{integer}`
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= note: required by `std::ops::Try::from_error`
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error[E0277]: the `?` operator can only be used in an async closure that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
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--> $DIR/try-on-option-in-async.rs:16:9
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LL | x?;
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| ^^ cannot use the `?` operator in an async closure that returns `u32`
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= help: the trait `std::ops::Try` is not implemented for `u32`
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= note: required by `std::ops::Try::from_error`
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error[E0277]: the `?` operator can only be used in an async function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
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--> $DIR/try-on-option-in-async.rs:25:5
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LL | x?;
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| ^^ cannot use the `?` operator in an async function that returns `u32`
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= help: the trait `std::ops::Try` is not implemented for `u32`
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= note: required by `std::ops::Try::from_error`
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error: aborting due to 3 previous errors
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For more information about this error, try `rustc --explain E0277`.
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