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Consider ADT generic parameter defaults for unsubstituted layout calculations

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This commit is contained in:
Lukas Wirth 2024-04-03 08:57:48 +02:00
parent c3b8c2a254
commit 86967032f7
4 changed files with 61 additions and 10 deletions
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47
crates/ide/src/hover/tests.rs
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@ -2322,6 +2322,49 @@ fn test_hover_layout_of_variant() {
);
}
#[test]
fn test_hover_layout_of_variant_generic() {
check(
r#"enum Option<T> {
Some(T),
None$0
}"#,
expect![[r#"
*None*
```rust
test::Option
```
```rust
None
```
"#]],
);
}
#[test]
fn test_hover_layout_generic_unused() {
check(
r#"
//- minicore: phantom_data
struct S$0<T>(core::marker::PhantomData<T>);
"#,
expect![[r#"
*S*
```rust
test
```
```rust
// size = 0, align = 1
struct S<T>(PhantomData<T>)
```
"#]],
);
}
#[test]
fn test_hover_layout_of_enum() {
check(
@ -3673,6 +3716,7 @@ struct S$0T<const C: usize = 1, T = Foo>(T);
```
```rust
// size = 0, align = 1
struct ST<const C: usize = 1, T = Foo>(T)
```
"#]],
@ -3694,6 +3738,7 @@ struct S$0T<const C: usize = {40 + 2}, T = Foo>(T);
```
```rust
// size = 0, align = 1
struct ST<const C: usize = {const}, T = Foo>(T)
```
"#]],
@ -3716,6 +3761,7 @@ struct S$0T<const C: usize = VAL, T = Foo>(T);
```
```rust
// size = 0, align = 1
struct ST<const C: usize = VAL, T = Foo>(T)
```
"#]],
@ -7872,6 +7918,7 @@ struct Pedro$0<'a> {
```
```rust
// size = 16 (0x10), align = 8, niches = 1
struct Pedro<'a>
```
"#]],