{"ast_node_type":"other","tokens":[{"end":32,"kind":"keyword","start":0,"text":"Some(tail)"}]}
            Some(tail) => tail?,
        let tail = match self.maybe_suggest_struct_literal(lo, blk_mode, maybe_ident) {
            None => self.parse_block_tail(lo, blk_mode, AttemptLocalParseRecovery::Yes)?,