Method fmt

nodedb-cluster/src/rpc_codec/mac.rs:79–85

(&self, f: &mut std::fmt::Formatter<'_>)

/// Redacted `Debug` — never print key bytes.
impl std::fmt::Debug for MacKey {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        if self.is_zero() {
            write!(f, "MacKey(zero)")
        } else {
            write!(f, "MacKey(<redacted>)")
        }
    }
}

/// Compute HMAC-SHA256 over `data` with `key`. Length is fixed at