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| author | Esteban Küber <esteban@kuber.com.ar> | 2024-12-28 02:19:35 +0000 |
|---|---|---|
| committer | Esteban Küber <esteban@kuber.com.ar> | 2025-06-12 21:28:49 +0000 |
| commit | 92a798dac0e2e13380d053b532ef36f1eddf9acf (patch) | |
| tree | 430fd3c78aed15d8d3ab6f8fc813f09af35fcedd /compiler/rustc_resolve/src/ident.rs | |
| parent | 6c8138de8f1c96b2f66adbbc0e37c73525444750 (diff) | |
| download | rust-92a798dac0e2e13380d053b532ef36f1eddf9acf.tar.gz rust-92a798dac0e2e13380d053b532ef36f1eddf9acf.zip | |
Detect when attribute is provided by missing `derive` macro
``` 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)] | ```
Diffstat (limited to 'compiler/rustc_resolve/src/ident.rs')
| -rw-r--r-- | compiler/rustc_resolve/src/ident.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_resolve/src/ident.rs b/compiler/rustc_resolve/src/ident.rs index 180d6af219d..68fbe48ebcb 100644 --- a/compiler/rustc_resolve/src/ident.rs +++ b/compiler/rustc_resolve/src/ident.rs @@ -460,6 +460,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { true, force, ignore_import, + None, ) { Ok((Some(ext), _)) => { if ext.helper_attrs.contains(&ident.name) { |
