chaokunyang commented on code in PR #3092:
URL: https://github.com/apache/fory/pull/3092#discussion_r2647147392
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rust/fory-derive/src/util.rs:
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@@ -17,38 +17,73 @@
use syn::{Field, Fields, GenericArgument, PathArguments, Type, TypePath,
TypeTraitObject};
-pub fn sorted_fields(fields: &Fields) -> Vec<&Field> {
- let fields = fields.iter().collect::<Vec<&Field>>();
+/// Sorted field with its original index preserved.
+///
+/// For tuple structs, `original_index` is the field's position in the original
+/// struct definition (0, 1, 2, ...), which is used as the field name.
+#[derive(Clone, Copy)]
+pub struct SortedField<'a> {
Review Comment:
This cames to my mind at first. But we may add more info to this struct,
`IndexedField` may looks vargue in the future.
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