custom_error

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This issue is tangentially related to #30, but should hopefully be easier to decide and implement. Also CC #17 since that is the PR introducing enum structs. --- Currently the...

RuijieYu

Something like this would be nice: ```rs custom_error!{pub Error EmptyCollection(&'static str) = "empty collection error: {0}", PackingFailed(&'static str) = "image packing error: {0}", } ```

alexmozaidze

Compile error for using bincode::Error on 1.7.1

18

After upgrading to 1.7.1, the compiler complained that `error[E0277]: the trait bound 'std::boxed::Box: std::borrow::Borrow' is not satisfied` I'm sure that it didn't occurred on `1.6.0` and `1.7.0`. But this version...

Leo1003

[new feature] Attribute support on error enum's fields

3

Currently, enum variants defined by `custom_error!` macro do not support attributes. ```rust custom_error! {pub FooError IO {source: std::io::Error} = "IO operations failed unexpectedly.", #[cfg(feature = "use-mpsc")] MpscRecv {source: std::sync::mpsc::RecvError} =...

Passeriform

[new feature] bounds for generic error types

5

It would be great to be able to specify bounds in generic errors. Something like: ```rust custom_error!{MyError Bad{param: T} = @{ param.to_string() }, } ```

lovasoa

I am not sure whether this is possible to do with the current implementation, but it would be nice to implement `Display` for error types even when they contain parameters...

lovasoa

Macro importing core causes compilation failure

1

If you have a module called core and you define it on the same level it does not work ``` pub mod core; use ::core::fmt; use custom_error::custom_error; custom_error! { pub...

duckfromdiscord