Function short_hex

src/redundancy.rs:454–462

(bytes: &[u8])

// ---------------------------------------------------------------------------

fn short_hex(bytes: &[u8]) -> String {
    // 16 hex chars = 64 bits of entropy — enough to make a collision
    // between two functions in the same repo astronomically unlikely.
    let mut s = String::with_capacity(16);
    for b in bytes.iter().take(8) {
        let _ = write!(s, "{b:02x}");
    }
    s
}

fn short_sha256(s: &str) -> String {
    let mut h = Sha256::new();