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Support "for loop" MIR lowering

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hkalbasi 2023-03-02 11:18:50 +03:30
parent ac04bfd7a7
commit 6377d50bd1
8 changed files with 292 additions and 79 deletions
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5
crates/hir-ty/src/infer.rs
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@ -354,6 +354,8 @@ pub struct InferenceResult {
pub type_of_pat: ArenaMap<PatId, Ty>,
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>,
type_mismatches: FxHashMap<ExprOrPatId, TypeMismatch>,
/// Interned common types to return references to.
standard_types: InternedStandardTypes,
@ -549,6 +551,9 @@ impl<'a> InferenceContext<'a> {
for ty in result.type_of_rpit.values_mut() {
*ty = table.resolve_completely(ty.clone());
}
for ty in result.type_of_for_iterator.values_mut() {
*ty = table.resolve_completely(ty.clone());
}
for mismatch in result.type_mismatches.values_mut() {
mismatch.expected = table.resolve_completely(mismatch.expected.clone());
mismatch.actual = table.resolve_completely(mismatch.actual.clone());