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Partially support "overloaded deref" MIR lowering

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hkalbasi 2023-03-04 23:38:04 +03:30
parent bf0f99f15d
commit af90ec8096
14 changed files with 546 additions and 297 deletions
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6
crates/hir-ty/src/infer.rs
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@ -291,8 +291,10 @@ pub enum Adjust {
/// call, with the signature `&'a T -> &'a U` or `&'a mut T -> &'a mut U`.
/// The target type is `U` in both cases, with the region and mutability
/// being those shared by both the receiver and the returned reference.
///
/// Mutability is `None` when we are not sure.
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
pub struct OverloadedDeref(pub Mutability);
pub struct OverloadedDeref(pub Option<Mutability>);
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
pub enum AutoBorrow {
@ -355,7 +357,7 @@ pub struct InferenceResult {
pub type_of_binding: ArenaMap<BindingId, Ty>,
pub type_of_rpit: ArenaMap<RpitId, Ty>,
/// Type of the result of `.into_iter()` on the for. `ExprId` is the one of the whole for loop.
pub type_of_for_iterator: ArenaMap<ExprId, Ty>,
pub type_of_for_iterator: FxHashMap<ExprId, Ty>,
type_mismatches: FxHashMap<ExprOrPatId, TypeMismatch>,
/// Interned common types to return references to.
standard_types: InternedStandardTypes,