From 4ee89948d9c340b9c0321af6816cbe093cb46e39 Mon Sep 17 00:00:00 2001
From: Roland Conybeare <rconybeare@gmail.com>
Date: Sat, 4 May 2024 01:50:46 -0400
Subject: [PATCH] xo-unit: streamline with_units_from() using auto

---
 include/xo/unit/quantity.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/xo/unit/quantity.hpp b/include/xo/unit/quantity.hpp
index 2fa467d..68fae4f 100644
--- a/include/xo/unit/quantity.hpp
+++ b/include/xo/unit/quantity.hpp
@@ -227,7 +227,7 @@ namespace xo {
             };
         } /*namespace detail*/
 
-        template <typename Q1, typename Q2, typename Int = typename Q2::ratio_int_type, natural_unit<Int> Unit = Q2::s_unit>
+        template <typename Q1, typename Q2, auto Unit = Q2::s_unit>
         requires (quantity_concept<Q1>
                   && quantity_concept<Q2>
                   && Q1::always_constexpr_unit