{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"if"}]}
                if self.typeck_results().opt_field_index(expr.hir_id).is_some() {
            hir::ExprKind::Field(ref lhs, ..) => {
                    self.handle_field_access(lhs, expr.hir_id);