use proptest::{arbitrary::any, collection::vec, prelude::*}; impl Arbitrary for super::EncryptedNote { type Parameters = (); fn arbitrary_with(_args: Self::Parameters) -> Self::Strategy { (vec(any::(), 601)) .prop_map(|v| { let mut bytes = [0; 601]; bytes.copy_from_slice(v.as_slice()); Self(bytes) }) .boxed() } type Strategy = BoxedStrategy; }