mirror of
https://github.com/rust-lang/rust.git
synced 2025-11-01 21:45:15 +00:00
``` error: cannot find attribute `empty_helper` in this scope --> $DIR/derive-helper-legacy-limits.rs:17:3 | LL | #[empty_helper] | ^^^^^^^^^^^^ | help: `empty_helper` is an attribute that can be used by the derive macro `Empty`, you might be missing a `derive` attribute | LL + #[derive(Empty)] LL | struct S2; | ``` Look at proc-macro attributes when encountering unknown attribute ``` error: cannot find attribute `sede` in this scope --> src/main.rs:18:7 | 18 | #[sede(untagged)] | ^^^^ | help: the derive macros `Serialize` and `Deserialize` accept the similarly named `serde` attribute | 18 | #[serde(untagged)] | ~~~~~ error: cannot find attribute `serde` in this scope --> src/main.rs:12:7 | 12 | #[serde(untagged)] | ^^^^^ | = note: `serde` is in scope, but it is a crate, not an attribute help: `serde` is an attribute that can be used by the derive macros `Serialize` and `Deserialize`, you might be missing a `derive` attribute | 10 | #[derive(Serialize, Deserialize)] | ```
38 lines
1.1 KiB
Plaintext
38 lines
1.1 KiB
Plaintext
error: cannot find attribute `empty_helper` in this scope
|
|
--> $DIR/disappearing-resolution.rs:18:3
|
|
|
|
|
LL | #[empty_helper]
|
|
| ^^^^^^^^^^^^
|
|
|
|
|
help: `empty_helper` is an attribute that can be used by the derive macro `Empty`, you might be missing a `derive` attribute
|
|
|
|
|
LL + #[derive(Empty)]
|
|
LL | struct S;
|
|
|
|
|
|
|
error[E0603]: derive macro import `Empty` is private
|
|
--> $DIR/disappearing-resolution.rs:11:8
|
|
|
|
|
LL | use m::Empty;
|
|
| ^^^^^ private derive macro import
|
|
|
|
|
note: the derive macro import `Empty` is defined here...
|
|
--> $DIR/disappearing-resolution.rs:9:9
|
|
|
|
|
LL | use test_macros::Empty;
|
|
| ^^^^^^^^^^^^^^^^^^
|
|
note: ...and refers to the derive macro `Empty` which is defined here
|
|
--> $DIR/auxiliary/test-macros.rs:20:1
|
|
|
|
|
LL | pub fn empty_derive(_: TokenStream) -> TokenStream {
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ you could import this directly
|
|
help: import `Empty` directly
|
|
|
|
|
LL - use m::Empty;
|
|
LL + use test_macros::Empty;
|
|
|
|
|
|
|
error: aborting due to 2 previous errors
|
|
|
|
For more information about this error, try `rustc --explain E0603`.
|