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Key materialization on declared list nesting and carriers on non-materialized subjects

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Dennis Kobert
2026-08-17 14:46:48 +00:00
parent 3aa018a15c
commit 4a042bade2
3 changed files with 32 additions and 13 deletions
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6
node-graph/node-macro/src/codegen.rs
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@@ -63,10 +63,10 @@ pub(crate) fn generate_node_code(crate_ident: &CrateIdent, parsed: &ParsedNodeFn
(Some(crate::codegen::ir::NodeKind::Routing), crate::codegen::ir::Element::Generic(ident)) => Some(ident.clone()),
_ => None,
};
// A `_: ()` primary stays visible in the metadata but claims no struct field.
let record_unit_carrier = record_io && crate::codegen::classify::record_shape(parsed).is_some_and(|shape| shape.skips_carrier());
let record_skips_carrier = record_io && !carrier_present;
// Record nodes with a `_: ()` primary input have no carrier edge; the unit
// field stays visible in the metadata but claims no struct field.
let struct_regular_fields: Vec<_> = regular_fields.iter().skip(record_skips_carrier as usize).copied().collect();
let struct_regular_fields: Vec<_> = regular_fields.iter().skip(record_unit_carrier as usize).copied().collect();
let struct_regular_field_names: Vec<_> = struct_regular_fields.iter().map(|f| &f.pat_ident.ident).collect();
// Extract function generics used by data fields