{"ast_node_type":"variable","tokens":[{"end":57,"kind":"keyword","start":0,"text":"let"}]}
    let num_bits_in_final_word = domain_size % WORD_BITS;
fn clear_excess_bits_in_final_word(domain_size: usize, words: &mut [Word]) {
    if num_bits_in_final_word > 0 {