{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"//"}]}
        // FIXME: invocations in semicolon-less expressions positions are expanded as expressions,
    fn flat_map_stmt(&mut self, node: ast::Stmt) -> SmallVec<[ast::Stmt; 1]> {
        // changing that requires some compatibility measures.