{"ast_node_type":"other","tokens":[{"end":46,"kind":"keyword","start":0,"text":"acc.map_or(Some(repr),"}]}
            acc.map_or(Some(repr), |mut acc| {
        self.by_key(sym::repr).tt_values().filter_map(parse_repr_tt).fold(None, |acc, repr| {
                merge_repr(&mut acc, repr);