23 lines
775 B
Plaintext
23 lines
775 B
Plaintext
error[E0277]: the trait bound `(): std::convert::From<std::option::NoneError>` is not satisfied
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--> $DIR/try-on-option.rs:17:5
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17 | x?;
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| ^^ the trait `std::convert::From<std::option::NoneError>` is not implemented for `()`
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= note: required by `std::convert::From::from`
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error[E0277]: the `?` operator can only be used in a function that returns `Result` (or another type that implements `std::ops::Try`)
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--> $DIR/try-on-option.rs:23:5
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23 | x?;
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| --
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| |
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| cannot use the `?` operator in a function that returns `u32`
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| in this macro invocation
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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 2 previous errors
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