{"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"Some(Ones(chunk_domain_size))"}]}
            Some(Ones(chunk_domain_size)) => ChunkIter::Ones(0..*chunk_domain_size as usize),
            Some(Zeros(_chunk_domain_size)) => ChunkIter::Zeros,
            Some(Mixed(chunk_domain_size, _, words)) => {