{"ast_node_type":"variable","tokens":[{"end":79,"kind":"keyword","start":0,"text":"let"}]}
        let fn_parse_mode = FnParseMode { req_name: |_| true, req_body: true };
    pub fn parse_item(&mut self, force_collect: ForceCollect) -> PResult<'a, Option<P<Item>>> {
        self.parse_item_(fn_parse_mode, force_collect).map(|i| i.map(P))