diff --git a/libs/util/include/psemek/util/hash.hpp b/libs/util/include/psemek/util/hash.hpp
index a2ae01e8..2c5dbd64 100644
--- a/libs/util/include/psemek/util/hash.hpp
+++ b/libs/util/include/psemek/util/hash.hpp
@@ -16,6 +16,17 @@ namespace psemek::util
 		seed = b * k;
 	}
 
+	struct any_hash
+	{
+		struct is_transparent{};
+
+		template <typename T>
+		std::size_t operator() (T const & x) const
+		{
+			return std::hash<T>{}(x);
+		}
+	};
+
 }
 
 namespace std