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authorStuart Cook <Zalathar@users.noreply.github.com>2025-08-07 20:49:36 +1000
committerGitHub <noreply@github.com>2025-08-07 20:49:36 +1000
commitbcd50fd45fb92a6c96af7e91893488bd4499153c (patch)
tree31c5bcca2a40e60d434ab0fd1821b61cfda516b4 /compiler/rustc_ast_passes/src/errors.rs
parent61cb1e97fcf954c37d0a457a8084ed9ad8b3cb82 (diff)
parent91e606b715ac4e8f59fac86d42ec2ad23f4ef169 (diff)
downloadrust-bcd50fd45fb92a6c96af7e91893488bd4499153c.tar.gz
rust-bcd50fd45fb92a6c96af7e91893488bd4499153c.zip
Rollup merge of #137831 - estebank:auto-trait-err, r=compiler-errors
Tweak auto trait errors

Make suggestions to remove params and super traits verbose and make spans more accurate.

```
error[E0567]: auto traits cannot have generic parameters
  --> $DIR/auto-trait-validation.rs:6:19
   |
LL | auto trait Generic<T> {}
   |            -------^^^
   |            |
   |            auto trait cannot have generic parameters

error[E0568]: auto traits cannot have super traits or lifetime bounds
  --> $DIR/auto-trait-validation.rs:8:20
   |
LL | auto trait Bound : Copy {}
   |            -----   ^^^^
   |            |
   |            auto traits cannot have super traits or lifetime bounds
```

```
error[E0380]: auto traits cannot have associated items
  --> $DIR/issue-23080.rs:5:8
   |
LL | unsafe auto trait Trait {
   |                   ----- auto traits cannot have associated items
LL |     fn method(&self) {
   |        ^^^^^^
```
Diffstat (limited to 'compiler/rustc_ast_passes/src/errors.rs')
-rw-r--r--compiler/rustc_ast_passes/src/errors.rs9
1 files changed, 5 insertions, 4 deletions
diff --git a/compiler/rustc_ast_passes/src/errors.rs b/compiler/rustc_ast_passes/src/errors.rs
index 8b5873a3ef3..60f47490f12 100644
--- a/compiler/rustc_ast_passes/src/errors.rs
+++ b/compiler/rustc_ast_passes/src/errors.rs
@@ -344,7 +344,7 @@ pub(crate) struct ModuleNonAscii {
 #[diag(ast_passes_auto_generic, code = E0567)]
 pub(crate) struct AutoTraitGeneric {
     #[primary_span]
-    #[suggestion(code = "", applicability = "machine-applicable")]
+    #[suggestion(code = "", applicability = "machine-applicable", style = "tool-only")]
     pub span: Span,
     #[label]
     pub ident: Span,
@@ -354,8 +354,9 @@ pub(crate) struct AutoTraitGeneric {
 #[diag(ast_passes_auto_super_lifetime, code = E0568)]
 pub(crate) struct AutoTraitBounds {
     #[primary_span]
-    #[suggestion(code = "", applicability = "machine-applicable")]
-    pub span: Span,
+    pub span: Vec<Span>,
+    #[suggestion(code = "", applicability = "machine-applicable", style = "tool-only")]
+    pub removal: Span,
     #[label]
     pub ident: Span,
 }
@@ -365,7 +366,7 @@ pub(crate) struct AutoTraitBounds {
 pub(crate) struct AutoTraitItems {
     #[primary_span]
     pub spans: Vec<Span>,
-    #[suggestion(code = "", applicability = "machine-applicable")]
+    #[suggestion(code = "", applicability = "machine-applicable", style = "tool-only")]
     pub total: Span,
     #[label]
     pub ident: Span,