040000 tree 86f4b4816da1c20e8e5c8f718a332a9d454dca7b	decode
040000 tree 4dc3f1ce7d5cc9907692adc9fed64714ba901d03	encode
100644 blob 7b1781728d84b4b0db25b92b992300d6d8be2c95	functions.rs
100644 blob 69511bd4c6d7670567e5a9b0bf91de99a5db9efd	lib.rs