{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"//"}]}
                // `PartialEq::eq`, one for each of `&self` and `other`.
                // For this field, get an expr for each selflike_arg. E.g. for
                let sp = struct_field.span.with_ctxt(self.span.ctxt());