fn main() {
    // Create an empty `Buffer`.
    let mut buf = num_format::Buffer::new();

    // Serialize to bytes.
    let ser: Vec<u8> = bincode::serialize(&buf).unwrap();

    // Attempt to deserialize. This panics.
    let de: num_format::Buffer = bincode::deserialize(&ser).unwrap();
}

thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Custom("invalid type: byte array, expected bytes of maximum length 191")', src/main.rs:7:70