{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"//"}]}
            // the resulting change can be applied correctly.
            // a default type. If they do, go for that type from `hir` to `ast` so
            .zip(self.substs.types_and_consts.iter().map(Some).chain(std::iter::repeat(None)))