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internal: Align MIR ProjectionElem more with rustc's version and simplify it #22510

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internal: Align MIR ProjectionElem more with rustc's version and simplify it #22510

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bde303a
Unify Field and ClosureField, and use local indexes for both (no vari…
flodiebold Dec 3, 2025
f10f7ae
Remove ProjectionElem::OpaqueCast
flodiebold Dec 6, 2025
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8 changes: 8 additions & 0 deletions crates/hir-def/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1017,6 +1017,14 @@ pub enum VariantId {
impl_from!(EnumVariantId, StructId, UnionId for VariantId);

impl VariantId {
pub fn from_non_enum(adt_id: AdtId) -> Option<Self> {
Some(match adt_id {
AdtId::StructId(struct_id) => struct_id.into(),
AdtId::UnionId(union_id) => union_id.into(),
AdtId::EnumId(_) => return None,
})
}

pub fn fields(self, db: &dyn DefDatabase) -> &VariantFields {
VariantFields::of(db, self)
}
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