From 51f58bb5f61d49bd968faac0b0285743cd8c222d Mon Sep 17 00:00:00 2001
From: Raphael Steiner <raphael.steiner@huawei.com>
Date: Wed, 28 Jan 2026 11:36:14 +0100
Subject: [PATCH] constexpr

---
 include/osp/auxiliary/hash_util.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/osp/auxiliary/hash_util.hpp b/include/osp/auxiliary/hash_util.hpp
index dee2eb95..cc9599c5 100644
--- a/include/osp/auxiliary/hash_util.hpp
+++ b/include/osp/auxiliary/hash_util.hpp
@@ -26,7 +26,7 @@ template <typename VertexType, std::size_t defautlVal = 11U>
 struct UniformNodeHashFunc {
     using ResultType = std::size_t;
 
-    ResultType operator()(const VertexType &) { return defautlVal; }
+    constexpr ResultType operator()(const VertexType &) { return defautlVal; }
 };
 
 template <typename VertexType>