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internal: add implicit : Sized bound to type parameters.

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This commit is contained in:
Dawer 2021-09-07 12:36:15 +05:00
parent 3dae94bf2b
commit 9ce3c075ad
2 changed files with 34 additions and 11 deletions
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33
crates/ide/src/hover.rs
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@ -3520,15 +3520,15 @@ fn foo() {
r#"
//- minicore: sized
struct Foo<T>(T);
trait Copy {}
trait Clone {}
impl<T: Copy + Clone> Foo<T$0> where T: Sized {}
trait TraitA {}
trait TraitB {}
impl<T: TraitA + TraitB> Foo<T$0> where T: Sized {}
"#,
expect![[r#"
*T*
```rust
T: Copy + Clone
T: TraitA + TraitB
```
"#]],
);
@ -3562,20 +3562,35 @@ impl<T: 'static> Foo<T$0> {}
}
#[test]
fn hover_type_param_not_sized() {
fn hover_type_param_sized_bounds() {
// implicit `: Sized` bound
check(
r#"
//- minicore: sized
trait Trait {}
struct Foo<T>(T);
trait Copy {}
trait Clone {}
impl<T: Copy + Clone> Foo<T$0> where T: ?Sized {}
impl<T: Trait> Foo<T$0> {}
"#,
expect![[r#"
*T*
```rust
T: Copy + Clone + ?Sized
T: Trait
```
"#]],
);
check(
r#"
//- minicore: sized
trait Trait {}
struct Foo<T>(T);
impl<T: Trait + ?Sized> Foo<T$0> {}
"#,
expect![[r#"
*T*
```rust
T: Trait + ?Sized
```
"#]],
);