This adds three different representations, copied from the Chalk model:
- `Ty::Projection` is an associated type projection written somewhere in the
code, like `<Foo as Trait>::Bar`.
- `Ty::UnselectedProjection` is similar, but we don't know the trait
yet (`Foo::Bar`).
- The above representations are normalized to their actual types during type
inference. When that isn't possible, for example for `T::Item` inside an `fn
foo<T: Iterator>`, the type is normalized to an application type with
`TypeCtor::AssociatedType`.
1562: Continue support for .await r=matklad a=unrealhoang
- add await expr to ast and HIR Expr
- infer type for `.await`
Co-authored-by: Unreal Hoang <unrealhoang@gmail.com>
1515: Trait environment r=matklad a=flodiebold
This adds the environment, i.e. the set of `where` clauses in scope, when solving trait goals. That means that e.g. in
```rust
fn foo<T: SomeTrait>(t: T) {}
```
, we are able to complete methods of `SomeTrait` on the `t`. This affects the trait APIs quite a bit (since every method that needs to be able to solve for some trait needs to get this environment somehow), so I thought I'd do it rather sooner than later ;)
Co-authored-by: Florian Diebold <flodiebold@gmail.com>
1499: processing attribute #[path] of module r=matklad a=andreevlex
support two cases
- simple name file `foo.rs`
- declaration in mod.rs
#1211
Co-authored-by: Alexander Andreev <andreevlex.as@gmail.com>
1491: More clippy r=matklad a=kjeremy
A few more clippy changes.
I'm a little unsure of the second commit. It's the trivially_copy_pass_by_ref lint and there are a number of places in the code we could use it if it makes sense.
Co-authored-by: Jeremy Kolb <kjeremy@gmail.com>
This wasn't a right decision in the first place, the feature flag was
broken in the last rustfmt release, and syntax highlighting of imports
is more important anyway
