From b77b02eb4e4958c53f9a8b5415ccf32a2c9be47a Mon Sep 17 00:00:00 2001
From: Jiakun Yan <jiakunyan1998@gmail.com>
Date: Sun, 10 Nov 2024 15:18:50 -0600
Subject: [PATCH] fix unused parameter

---
 libs/full/parcelset/tests/regressions/very_big_parcel.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/libs/full/parcelset/tests/regressions/very_big_parcel.cpp b/libs/full/parcelset/tests/regressions/very_big_parcel.cpp
index 31442b3fb50..5191f1d46f8 100644
--- a/libs/full/parcelset/tests/regressions/very_big_parcel.cpp
+++ b/libs/full/parcelset/tests/regressions/very_big_parcel.cpp
@@ -56,10 +56,11 @@ class Data
     }
 
     template <typename Archive>
-    friend auto serialize(Archive& archive, Data& object, unsigned int version)
+    void serialize(Archive& ar, const unsigned int)
     {
-        archive& object._data;
-        return;
+        // clang-format off
+        ar & _data;
+        // clang-format on
     }
 
 private: