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91e606b715
Make suggestions to remove params and super traits tool-only, and make
the suggestion span more accurate.
```
error[E0567]: auto traits cannot have generic parameters
--> $DIR/auto-trait-validation.rs:6:19
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LL | auto trait Generic<T> {}
| -------^^^
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| auto trait cannot have generic parameters
error[E0568]: auto traits cannot have super traits or lifetime bounds
--> $DIR/auto-trait-validation.rs:8:20
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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) {
| ^^^^^^
```
30 lines
1.0 KiB
Rust
30 lines
1.0 KiB
Rust
#![feature(auto_traits)]
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#![allow(dead_code)]
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//@ run-rustfix
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auto trait Generic<T> {}
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//~^ ERROR auto traits cannot have generic parameters [E0567]
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auto trait Bound : Copy {}
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//~^ ERROR auto traits cannot have super traits or lifetime bounds [E0568]
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auto trait LifetimeBound : 'static {}
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//~^ ERROR auto traits cannot have super traits or lifetime bounds [E0568]
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auto trait MyTrait { fn foo() {} }
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//~^ ERROR auto traits cannot have associated items [E0380]
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auto trait AssocTy { type Bar; }
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//~^ ERROR auto traits cannot have associated items [E0380]
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auto trait All<'a, T> {
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//~^ ERROR auto traits cannot have generic parameters [E0567]
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type Bar;
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//~^ ERROR auto traits cannot have associated items [E0380]
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fn foo() {}
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}
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// We can't test both generic params and super-traits because the suggestion span overlaps.
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auto trait All2: Copy + 'static {
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//~^ ERROR auto traits cannot have super traits or lifetime bounds [E0568]
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type Bar;
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//~^ ERROR auto traits cannot have associated items [E0380]
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fn foo() {}
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}
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fn main() {}
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