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Auto merge of #13725 - bvanjoi:resolve-const-triat-impls, r=flodiebold

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feat: resolve const for trait impls

Fixed #13694
This commit is contained in:
bors 2022-12-10 13:58:28 +00:00
commit a3ea20a142
6 changed files with 245 additions and 18 deletions
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157
crates/ide/src/hover/tests.rs
View file

@ -3657,6 +3657,163 @@ enum E {
#[test]
fn hover_const_eval() {
check(
r#"
trait T {
const B: bool = false;
}
impl T for <()> {
/// true
const B: bool = true;
}
fn main() {
<()>::B$0;
}
"#,
expect![[r#"
*B*
```rust
test
```
```rust
const B: bool = true
```
---
true
"#]],
);
check(
r#"
struct A {
i: i32
};
trait T {
const AA: A = A {
i: 1
};
}
impl T for i32 {
const AA: A = A {
i: 2
}
}
fn main() {
<i32>::AA$0;
}
"#,
expect![[r#"
*AA*
```rust
test
```
```rust
const AA: A = A {
i: 2
}
```
"#]],
);
check(
r#"
trait T {
/// false
const B: bool = false;
}
impl T for () {
/// true
const B: bool = true;
}
fn main() {
T::B$0;
}
"#,
expect![[r#"
*B*
```rust
test
```
```rust
const B: bool = false
```
---
false
"#]],
);
check(
r#"
trait T {
/// false
const B: bool = false;
}
impl T for () {
}
fn main() {
<()>::B$0;
}
"#,
expect![[r#"
*B*
```rust
test
```
```rust
const B: bool = false
```
---
false
"#]],
);
check(
r#"
trait T {
/// false
const B: bool = false;
}
impl T for () {
/// true
const B: bool = true;
}
impl T for i32 {}
fn main() {
<i32>::B$0;
}
"#,
expect![[r#"
*B*
```rust
test
```
```rust
const B: bool = false
```
---
false
"#]],
);
// show hex for <10
check(
r#"