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The adjustments are used later by ExprUseVisitor to build Place projections and without adjustments it can produce invalid result.
Includes documentation for: - general page structure - navigation - searching - themes - deep-linking Doesn't include docs on the settings page.
For example:
enum Ty {
Unit,
List(Box<Ty>),
}
fn foo(x: Ty) -> Ty {
match x {
Ty::Unit => Ty::Unit,
Ty::List(elem) => foo(elem),
}
}
Before, the only suggestion was to rewrap `elem` with `Ty::List`,
which is unhelpful and confusing:
error[E0308]: mismatched types
--> src/test/ui/suggestions/boxed-variant-field.rs:9:31
|
9 | Ty::List(elem) => foo(elem),
| ^^^^
| |
| expected enum `Ty`, found struct `Box`
| help: try using a variant of the expected enum: `Ty::List(elem)`
|
= note: expected enum `Ty`
found struct `Box<Ty>`
Now, rustc will first suggest dereferencing the `Box`, which is most
likely what the user intended:
error[E0308]: mismatched types
--> src/test/ui/suggestions/boxed-variant-field.rs:9:31
|
9 | Ty::List(elem) => foo(elem),
| ^^^^ expected enum `Ty`, found struct `Box`
|
= note: expected enum `Ty`
found struct `Box<Ty>`
help: try dereferencing the `Box`
|
9 | Ty::List(elem) => foo(*elem),
| +
help: try using a variant of the expected enum
|
9 | Ty::List(elem) => foo(Ty::List(elem)),
| ~~~~~~~~~~~~~~
… r=jyn514 Add a chapter on reading Rustdoc output Includes documentation for: - general page structure - navigation - searching - themes - deep-linking Doesn't include docs on the settings page. Per rust-lang#90309
Apply adjustments for field expression even if inaccessible The adjustments are used later by ExprUseVisitor to build Place projections and without adjustments it can produce invalid result. Fix rust-lang#90483 ``@rustbot`` label: T-compiler
Suggest dereference of `Box` when inner type is expected
For example:
enum Ty {
Unit,
List(Box<Ty>),
}
fn foo(x: Ty) -> Ty {
match x {
Ty::Unit => Ty::Unit,
Ty::List(elem) => foo(elem),
}
}
Before, the only suggestion was to rewrap `inner` with `Ty::Wrapper`,
which is unhelpful and confusing:
error[E0308]: mismatched types
--> src/test/ui/suggestions/boxed-variant-field.rs:9:31
|
9 | Ty::List(elem) => foo(elem),
| ^^^^
| |
| expected enum `Ty`, found struct `Box`
| help: try using a variant of the expected enum: `Ty::List(elem)`
|
= note: expected enum `Ty`
found struct `Box<Ty>`
Now, rustc will first suggest dereferencing the `Box`, which is most
likely what the user intended:
error[E0308]: mismatched types
--> src/test/ui/suggestions/boxed-variant-field.rs:9:31
|
9 | Ty::List(elem) => foo(elem),
| ^^^^ expected enum `Ty`, found struct `Box`
|
= note: expected enum `Ty`
found struct `Box<Ty>`
help: try dereferencing the `Box`
|
9 | Ty::List(elem) => foo(*elem),
| +
help: try using a variant of the expected enum
|
9 | Ty::List(elem) => foo(Ty::List(elem)),
| ~~~~~~~~~~~~~~
r? ``@davidtwco``
…llot use matches!() macro in more places
type error go brrrrrrrr Fixes rust-lang#90444 when we relate something like: `fn(fn((), (), u32))` with `fn(fn((), (), ()))` we relate the inner fn ptrs: `fn((), (), u32)` with `fn((), (), ())` yielding a `TypeError::ArgumentSorts(_, 2)` which we then use as the `TypeError` for the `fn(fn(..))` which later causes the ICE as the `2` does not correspond to any input or output types in `fn(_)` r? `@estebank`
Run reveal_all on MIR when inlining is activated. Fix logic error in rust-lang#85254 which prevented the pass from running when needed. Fixes rust-lang#78442 r? ``@lcnr``
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@bors r+ rollup=never p=6 |
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📌 Commit ec471de has been approved by |
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☀️ Test successful - checks-actions |
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Finished benchmarking commit (089a016): comparison url. Summary: This benchmark run did not return any relevant changes. If you disagree with this performance assessment, please file an issue in rust-lang/rustc-perf. @rustbot label: -perf-regression |
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Successful merges:
Boxwhen inner type is expected #90627 (Suggest dereference ofBoxwhen inner type is expected)Failed merges:
r? @ghost
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