{"ast_node_type":"function","tokens":[{"end":95,"kind":"keyword","start":0,"text":"pub"}]}
    pub fn parse_item(&mut self, force_collect: ForceCollect) -> PResult<'a, Option<P<Item>>> {
impl<'a> Parser<'a> {
        let fn_parse_mode = FnParseMode { req_name: |_| true, req_body: true };