{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"self.bit_set.words.get(word_index).is_some_and(|word|"}]}
        self.bit_set.words.get(word_index).is_some_and(|word| (word & mask) != 0)
        let (word_index, mask) = word_index_and_mask(elem);
    }