error[E0277]: Error `std::io::Error` not allowed to be returned from this function.
--> tests/ui/no_errors_anyhow.rs:6:45
|
6 | let _ = std::fs::File::open("hello.txt")?;
| ^ `std::io::Error` is not listed in `#[errors]` attribute
|
= help: the trait `ErrorMancerFrom<std::io::Error>` is not implemented for `FooError`
= note: Add `std::io::Error` to `#[errors]` attribute or handle this error locally.
= help: the trait `FromResidual<Result<Infallible, E>>` is implemented for `Result<T, F>`
note: required for `FooError` to implement `From<std::io::Error>`
--> tests/ui/no_errors_anyhow.rs:4:1
|
4 | #[errors]
| ^^^^^^^^^
= note: required for `Result<i32, FooError>` to implement `FromResidual<Result<Infallible, std::io::Error>>`
= note: this error originates in the attribute macro `errors` (in Nightly builds, run with -Z macro-backtrace for more info)