Function encode

nodedb/src/control/otel/receiver.rs:412–419

(bytes: &[u8])

/// Minimal hex encoding for trace/span IDs (avoids adding `hex` crate).
mod hex {
    pub fn encode(bytes: &[u8]) -> String {
        let mut s = String::with_capacity(bytes.len() * 2);
        for &b in bytes {
            s.push(HEX_CHARS[(b >> 4) as usize]);
            s.push(HEX_CHARS[(b & 0xf) as usize]);
        }
        s
    }
    const HEX_CHARS: [char; 16] = [
        '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f',
    ];