Function encode_hex

blobby/src/bin/decode.rs:14–20

(data: &[u8])

    use std::{env, fs::File};

    fn encode_hex(data: &[u8]) -> String {
        let mut res = String::with_capacity(2 * data.len());
        for &byte in data {
            res.push_str(&format!("{byte:02X}"));
        }
        res
    }

    fn decode<R: BufRead, W: Write>(mut reader: R, mut writer: W) -> io::Result<usize> {
        let mut data = Vec::new();