diff options
Diffstat (limited to 'tests/ui/attributes/unsafe/proc-unsafe-attributes.stderr')
| -rw-r--r-- | tests/ui/attributes/unsafe/proc-unsafe-attributes.stderr | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/tests/ui/attributes/unsafe/proc-unsafe-attributes.stderr b/tests/ui/attributes/unsafe/proc-unsafe-attributes.stderr index 884e7663c85..107e053ae0c 100644 --- a/tests/ui/attributes/unsafe/proc-unsafe-attributes.stderr +++ b/tests/ui/attributes/unsafe/proc-unsafe-attributes.stderr @@ -119,9 +119,18 @@ error[E0565]: malformed `proc_macro_derive` attribute input | LL | #[proc_macro_derive(unsafe(Foo))] | ^^^^^^^^^^^^^^^^^^^^^^^^^^-----^^ - | | | - | | didn't expect any arguments here - | help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]` + | | + | didn't expect any arguments here + | + = note: for more information, visit <https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros> +help: try changing it to one of the following valid forms of the attribute + | +LL - #[proc_macro_derive(unsafe(Foo))] +LL + #[proc_macro_derive(TraitName)] + | +LL - #[proc_macro_derive(unsafe(Foo))] +LL + #[proc_macro_derive(TraitName, attributes(name1, name2, ...))] + | error[E0452]: malformed lint attribute input --> $DIR/proc-unsafe-attributes.rs:27:16 |