From 3a033781cdac634557ac820c614658f89349b8c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Johel=20Ernesto=20Guerrero=20Pe=C3=B1a?=
 <johelegp@gmail.com>
Date: Sun, 21 Feb 2021 15:41:22 -0400
Subject: [PATCH] test: fix warnings (quantity(_kind)_test.cpp)

---
 src/include/units/bits/external/hacks.h | 2 +-
 src/include/units/quantity_cast.h       | 6 +++---
 src/include/units/quantity_point.h      | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/include/units/bits/external/hacks.h b/src/include/units/bits/external/hacks.h
index 77311c01..2eef7ba8 100644
--- a/src/include/units/bits/external/hacks.h
+++ b/src/include/units/bits/external/hacks.h
@@ -31,7 +31,7 @@
 #define COMP_MSVC _MSC_VER
 #endif
 
-#if COMP_CLANG
+#if COMP_CLANG && false
 
 #include <concepts/compare.hpp>
 #include <concepts/concepts.hpp>
diff --git a/src/include/units/quantity_cast.h b/src/include/units/quantity_cast.h
index b3195e37..38f821a9 100644
--- a/src/include/units/quantity_cast.h
+++ b/src/include/units/quantity_cast.h
@@ -65,7 +65,7 @@ inline constexpr ratio quantity_ratio<quantity<D, U, Rep>> = []
 }();
 
 template<typename QFrom, typename QTo>
-constexpr ratio cast_ratio(const QFrom& from, const QTo& to)
+inline constexpr ratio cast_ratio = []
 {
   using FromU = TYPENAME QFrom::unit;
   using ToU = TYPENAME QTo::unit;
@@ -75,7 +75,7 @@ constexpr ratio cast_ratio(const QFrom& from, const QTo& to)
   else {
     return quantity_ratio<QFrom> / quantity_ratio<QTo>;
   }
-}
+}();
 
 template<typename From, typename To>
 struct cast_traits;
@@ -118,7 +118,7 @@ template<Quantity To, typename D, typename U, scalable_with_<typename To::rep> R
   using traits = detail::cast_traits<Rep, typename To::rep>;
   using ratio_type = TYPENAME traits::ratio_type;
   using rep_type = TYPENAME traits::rep_type;
-  constexpr auto c_ratio = detail::cast_ratio(quantity<D, U, Rep>(), To());
+  constexpr auto c_ratio = detail::cast_ratio<quantity<D, U, Rep>, To>;
 
   if constexpr (treat_as_floating_point<rep_type>) {
     return To(static_cast<TYPENAME To::rep>(static_cast<rep_type>(q.count()) *
diff --git a/src/include/units/quantity_point.h b/src/include/units/quantity_point.h
index dcb982f2..e2253ca6 100644
--- a/src/include/units/quantity_point.h
+++ b/src/include/units/quantity_point.h
@@ -116,7 +116,7 @@ public:
   }
 
   constexpr quantity_point& operator+=(const quantity_type& q)
-    requires requires(quantity_type q) { q += q; }
+    requires requires { q_ += q; }
   {
     q_ += q;
     return *this;