{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":".map(|mut"}]}
        .map(|mut tokens| syntax::hacks::parse_expr_from_str(&tokens.join(""), Edition::CURRENT))
        .filter_map(|(is_sep, group)| (!is_sep).then_some(group))
        .collect::<Option<Vec<ast::Expr>>>()?;