ricq-core 0.1.19

Packet encoders and decoders for ricq
Documentation 
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use std::fmt::Write;
use std::num::ParseIntError;

pub fn decode_hex(s: &str) -> Result<Vec<u8>, ParseIntError> {
    (0..s.len())
        .step_by(2)
        .map(|i| u8::from_str_radix(&s[i..i + 2], 16))
        .collect()
}

pub fn encode_hex(bytes: &[u8]) -> String {
    let mut s = String::with_capacity(bytes.len() * 2);
    for &b in bytes {
        write!(s, "{b:02x}").expect("failed to encode_hex");
    }
    s
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_decode() {
        let h = decode_hex("04EBCA94D733E399B2DB96EACDD3F69A8BB0F74224E2B44E3357812211D2E62EFBC91BB553098E25E33A799ADC7F76FEB208DA7C6522CDB0719A305180CC54A82E");
        println!("{h:?}")
    }

    #[test]
    fn test_encode() {
        let h = encode_hex(&[1, 2, 3]);
        println!("{h}")
    }
}