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#[diagnostic::on_unimplemented] without filters

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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>
This commit is contained in:
Georg Semmler 2023-06-02 13:55:46 +02:00
parent e5fedceabf
commit 5b8a7a0917
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18 changed files with 360 additions and 39 deletions
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2
compiler/rustc_feature/src/active.rs
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@ -411,7 +411,7 @@ declare_features! (
/// Allows having using `suggestion` in the `#[deprecated]` attribute.
(active, deprecated_suggestion, "1.61.0", Some(94785), None),
/// Allows using the `#[diagnostic]` attribute tool namespace
(active, diagnostic_namespace, "1.73.0", Some(94785), None),
(active, diagnostic_namespace, "1.73.0", Some(111996), None),
/// Controls errors in trait implementations.
(active, do_not_recommend, "1.67.0", Some(51992), None),
/// Tells rustdoc to automatically generate `#[doc(cfg(...))]`.