1//! useful macros.
 2
 3/// Takes as input a struct, and converts them to a series of bytes. All traits
 4/// that implement `CanonicalSerialize` can be automatically converted to bytes
 5/// in this manner.
 6#[macro_export]
 7macro_rules! to_bytes {
 8    ($x:expr) => {{
 9        let mut buf = ark_std::vec![];
10        ark_serialize::CanonicalSerialize::serialize($x, &mut buf).map(|_| buf)
11    }};
12}
13
14#[test]
15fn test_to_bytes() {
16    use ark_bls12_381::Fr;
17    use ark_serialize::CanonicalSerialize;
18    use ark_std::One;
19    let f1 = Fr::one();
20
21    let mut bytes = ark_std::vec![];
22    f1.serialize(&mut bytes).unwrap();
23    assert_eq!(bytes, to_bytes!(&f1).unwrap());
24}