fn serialize_big_array<S, F: Serialize>(
    big_array: &[FunctionInput<F>; 64],
    s: S,
) -> Result<S::Ok, S::Error>where
    S: Serializer,fn serialize_big_array<S, F: Serialize>(
    big_array: &[FunctionInput<F>; 64],
    s: S,
) -> Result<S::Ok, S::Error>where
    S: Serializer,