与KMC API的Rust绑定 访问数据库文件并查询计数。 例 let db = kmc_rs :: KmcFile :: open_ra ( "data/test1" )?; let kmer = kmc_rs :: Kmer :: from ( "TAAGA" )?; assert_eq! (db. kmer_length (), 5 ); // we have an index over 5-mers assert_eq! (db. count_kmer ( & kmer), 4