Function ack_key

nodedb/src/control/array_sync/ack_registry.rs:30–38

Build the key: `[name_len: u8][name bytes][replica_id: u64 BE]`.

(array: &str, replica_id: u64)

/// Build the key: `[name_len: u8][name bytes][replica_id: u64 BE]`.
fn ack_key(array: &str, replica_id: u64) -> Option<Vec<u8>> {
    let name_bytes = array.as_bytes();
    let name_len = u8::try_from(name_bytes.len()).ok()?;
    let mut key = Vec::with_capacity(1 + name_bytes.len() + 8);
    key.push(name_len);
    key.extend_from_slice(name_bytes);
    key.extend_from_slice(&replica_id.to_be_bytes());
    Some(key)
}

/// Parse the array name from the head of a composite key.
///