From a914360cc6589973cae22cd0c7a4215b88b1f06c Mon Sep 17 00:00:00 2001
From: Jan Ferdinand Sauer <ferdinand@neptune.cash>
Date: Wed, 27 Sep 2023 23:49:41 +0200
Subject: [PATCH] derive `Display` for `FriValidationError`

---
 triton-vm/src/fri.rs | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/triton-vm/src/fri.rs b/triton-vm/src/fri.rs
index a40982d7..99973d5f 100644
--- a/triton-vm/src/fri.rs
+++ b/triton-vm/src/fri.rs
@@ -1,5 +1,3 @@
-use std::error::Error;
-use std::fmt;
 use std::marker::PhantomData;
 
 use anyhow::bail;
@@ -7,6 +5,7 @@ use anyhow::Result;
 use itertools::Itertools;
 use num_traits::One;
 use rayon::iter::*;
+use strum_macros::Display;
 use twenty_first::shared_math::b_field_element::BFieldElement;
 use twenty_first::shared_math::other::log_2_ceil;
 use twenty_first::shared_math::polynomial::Polynomial;
@@ -29,15 +28,7 @@ use crate::stark::MTMaker;
 
 pub type AuthenticationStructure = Vec<Digest>;
 
-impl Error for FriValidationError {}
-
-impl fmt::Display for FriValidationError {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "Deserialization error for LowDegreeProof: {self:?}")
-    }
-}
-
-#[derive(PartialEq, Eq, Debug)]
+#[derive(PartialEq, Eq, Debug, Display)]
 pub enum FriValidationError {
     IncorrectNumberOfRevealedLeaves,
     BadMerkleAuthenticationPath,