From 0538511c9dcb00681f64028ab959d1ebee17da47 Mon Sep 17 00:00:00 2001
From: wborgeaud <williamborgeaud@gmail.com>
Date: Mon, 20 Dec 2021 09:22:23 +0100
Subject: [PATCH] Comment for why 7 bytes

---
 src/hash/hash_types.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/hash/hash_types.rs b/src/hash/hash_types.rs
index e645b5c3..79ca3950 100644
--- a/src/hash/hash_types.rs
+++ b/src/hash/hash_types.rs
@@ -161,6 +161,7 @@ impl<const N: usize> From<BytesHash<N>> for u64 {
 impl<F: RichField, const N: usize> From<BytesHash<N>> for Vec<F> {
     fn from(hash: BytesHash<N>) -> Self {
         hash.0
+            // Chunks of 7 bytes since 8 bytes would allow collisions.
             .chunks(7)
             .map(|bytes| {
                 let mut arr = [0; 8];