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authorStuart Cook <Zalathar@users.noreply.github.com>2025-08-12 20:37:53 +1000
committerGitHub <noreply@github.com>2025-08-12 20:37:53 +1000
commitd862ae2fce07c32252adc95bf32904fc74bbc532 (patch)
tree5f64932ad738f1920023a0393a82ed1714ab9725 /tests/ui/lint
parent38483d8eb156f5947deedf3ca2654e2ac560a082 (diff)
parent928dd114377f5a0c9db521d85987f0df73ca254d (diff)
downloadrust-d862ae2fce07c32252adc95bf32904fc74bbc532.tar.gz
rust-d862ae2fce07c32252adc95bf32904fc74bbc532.zip
Rollup merge of #145238 - estebank:attr-overhaul, r=jdonszelmann
Tweak invalid builtin attribute output

 - Add link to reference/docs when possible
 - More accurate suggestions by supporting multiple alternative suggestions

```
error: malformed `crate_type` attribute input
  --> $DIR/crate-type-macro-call.rs:1:1
   |
LL | #![crate_type = foo!()]
   | ^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: for more information, visit <https://doc.rust-lang.org/reference/linkage.html>
help: the following are the possible correct uses
   |
LL - #![crate_type = foo!()]
LL + #![crate_type = "bin"]
   |
LL - #![crate_type = foo!()]
LL + #![crate_type = "cdylib"]
   |
LL - #![crate_type = foo!()]
LL + #![crate_type = "dylib"]
   |
LL - #![crate_type = foo!()]
LL + #![crate_type = "lib"]
   |
   = and 4 other candidates
```
Diffstat (limited to 'tests/ui/lint')
-rw-r--r--tests/ui/lint/lint-malformed.stderr15
1 files changed, 14 insertions, 1 deletions
diff --git a/tests/ui/lint/lint-malformed.stderr b/tests/ui/lint/lint-malformed.stderr
index 0bdcc293b65..25a4298bd75 100644
--- a/tests/ui/lint/lint-malformed.stderr
+++ b/tests/ui/lint/lint-malformed.stderr
@@ -16,7 +16,20 @@ error: malformed `deny` attribute input
   --> $DIR/lint-malformed.rs:1:1
    |
 LL | #![deny = "foo"]
-   | ^^^^^^^^^^^^^^^^ help: must be of the form: `#![deny(lint1, lint2, ..., /*opt*/ reason = "...")]`
+   | ^^^^^^^^^^^^^^^^
+   |
+   = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/diagnostics.html#lint-check-attributes>
+help: the following are the possible correct uses
+   |
+LL - #![deny = "foo"]
+LL + #![deny(lint1)]
+   |
+LL - #![deny = "foo"]
+LL + #![deny(lint1, lint2, ...)]
+   |
+LL - #![deny = "foo"]
+LL + #![deny(lint1, lint2, lint3, reason = "...")]
+   |
 
 error[E0452]: malformed lint attribute input
   --> $DIR/lint-malformed.rs:2:10