rust/tests/ui/diagnostic_namespace/on_unimplemented/feature-gate-diagnostic_on_unimplemented.rs
Georg Semmler 5b8a7a0917
#[diagnostic::on_unimplemented] without filters
This commit adds support for a `#[diagnostic::on_unimplemented]`
attribute with the following options:

* `message` to customize the primary error message
* `note` to add a customized note message to an error message
* `label` to customize the label part of the error message

Co-authored-by: León Orell Valerian Liehr <me@fmease.dev>
Co-authored-by: Michael Goulet <michael@errs.io>
2023-09-12 20:03:18 +02:00

8 lines
153 B
Rust

#[diagnostic::on_unimplemented(message = "Foo")]
//~^ERROR `#[diagnostic]` attribute name space is experimental [E0658]
pub trait Bar {
}
fn main() {
}