{"ast_node_type":"variable","tokens":[{"end":66,"kind":"keyword","start":0,"text":"let"}]}
                    let local_id = u.fields(self.db).field(name)?;
                &TyKind::Adt(AdtId(hir_def::AdtId::UnionId(u)), ref parameters) => {
                    let field = FieldId { parent: u.into(), local_id };