martin-g commented on code in PR #398:
URL: https://github.com/apache/avro-rs/pull/398#discussion_r2703794298
##########
avro_derive/src/lib.rs:
##########
@@ -250,23 +237,85 @@ fn get_data_struct_schema_def(
})
}
+/// Use the schema definition of the only field in the struct as the schema
+fn get_transparent_struct_schema_def(
+ fields: Fields,
+ input_span: Span,
+) -> Result<TokenStream, Vec<syn::Error>> {
+ match fields {
+ Fields::Named(fields_named) => {
+ let mut found = None;
+ for field in fields_named.named {
+ let attrs = FieldOptions::new(&field.attrs, field.span())?;
+ if attrs.skip {
+ continue;
+ }
+ if found.replace((field, attrs)).is_some() {
+ return Err(vec![syn::Error::new(
+ input_span,
+ "AvroSchema: #[serde(transparent)] is only allowed on
structs with one unskipped field",
+ )]);
+ }
+ }
Review Comment:
```suggestion
}
```
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