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serde_derive: rewrite fields_from_ast with less llvm-lines

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This commit is contained in:
dishmaker 2026-02-13 11:03:37 +01:00
parent 5fd91333c7
commit 1229fc8a6d
1 changed files with 15 additions and 8 deletions
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23
serde_derive/src/internals/ast.rs
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@ -202,17 +202,24 @@ fn fields_from_ast<'a>(
container_default: &attr::Default,
private: &Ident,
) -> Vec<Field<'a>> {
fields
.iter()
.enumerate()
.map(|(i, field)| Field {
let mut dst_fields = Vec::with_capacity(fields.len());
for field in fields {
dst_fields.push(Field {
member: match &field.ident {
Some(ident) => syn::Member::Named(ident.clone()),
None => syn::Member::Unnamed(i.into()),
None => syn::Member::Unnamed(dst_fields.len().into()),
},
attrs: attr::Field::from_ast(cx, i, field, attrs, container_default, private),
attrs: attr::Field::from_ast(
cx,
dst_fields.len(),
field,
attrs,
container_default,
private,
),
ty: &field.ty,
original: field,
})
.collect()
});
}
dst_fields
}