syntax_data: {"ast_node_type":"other","tokens":[{"end":33,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // to generate code for them.
context_before:     // `TypeFoldable`. We do so after generating `body_fold` as we still need
context_after:     s.filter(|bi| !has_ignore_attr(&bi.ast().attrs, "type_foldable", "identity"));