From b21d4f4c87225a72524cc338a04bb94c049ad7a6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matthias=20G=C3=B6rgens?= <matthias.goergens@mozak.com>
Date: Tue, 24 Oct 2023 18:43:33 +0800
Subject: [PATCH] Remove manual implementation of Display (#786)

---
 circuits/src/memory_io/stark.rs | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/circuits/src/memory_io/stark.rs b/circuits/src/memory_io/stark.rs
index f8f50edbb..ade12ad02 100644
--- a/circuits/src/memory_io/stark.rs
+++ b/circuits/src/memory_io/stark.rs
@@ -10,21 +10,17 @@ use starky::constraint_consumer::{ConstraintConsumer, RecursiveConstraintConsume
 use starky::evaluation_frame::{StarkEvaluationFrame, StarkFrame};
 use starky::stark::Stark;
 
+use crate::display::derive_display_stark_name;
 use crate::memory_io::columns::{InputOutputMemory, NUM_IO_MEM_COLS};
 use crate::stark::utils::is_binary;
 
+derive_display_stark_name!(InputOuputMemoryStark);
 #[derive(Copy, Clone, Default)]
 #[allow(clippy::module_name_repetitions)]
 pub struct InputOuputMemoryStark<F, const D: usize> {
     pub _f: PhantomData<F>,
 }
 
-impl<F, const D: usize> Display for InputOuputMemoryStark<F, D> {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(f, "InputOutputMemoryStark")
-    }
-}
-
 const COLUMNS: usize = NUM_IO_MEM_COLS;
 const PUBLIC_INPUTS: usize = 0;