From bd9e4f944c9cfbaeb57493940d22b429b7fec80a Mon Sep 17 00:00:00 2001
From: Mateusz Pusz <mateusz.pusz@gmail.com>
Date: Mon, 18 Dec 2023 15:40:25 +0100
Subject: [PATCH] fix: `QuantityLike` conversions required `Q::rep` instead of
 using one provided by `quantity_like_traits`

---
 src/core/include/mp-units/quantity.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/core/include/mp-units/quantity.h b/src/core/include/mp-units/quantity.h
index b5f2e7d9c..28dddb911 100644
--- a/src/core/include/mp-units/quantity.h
+++ b/src/core/include/mp-units/quantity.h
@@ -158,7 +158,7 @@ class quantity {
       quantity<quantity_like_traits<Q>::reference, typename quantity_like_traits<Q>::rep>, quantity>
   constexpr explicit(is_specialization_of<decltype(quantity_like_traits<Q>::to_numerical_value(std::declval<Q>())),
                                           convert_explicitly> ||
-                     !std::convertible_to<typename Q::rep, Rep>) quantity(const Q& q) :
+                     !std::convertible_to<typename quantity_like_traits<Q>::rep, Rep>) quantity(const Q& q) :
       quantity(
         ::mp_units::quantity{quantity_like_traits<Q>::to_numerical_value(q).value, quantity_like_traits<Q>::reference})
   {
@@ -222,7 +222,7 @@ class quantity {
   [[nodiscard]] explicit(is_specialization_of<decltype(quantity_like_traits<Q>::from_numerical_value(
                                                 numerical_value_is_an_implementation_detail_)),
                                               convert_explicitly> ||
-                         !std::convertible_to<Rep, typename Q::rep>) constexpr
+                         !std::convertible_to<Rep, typename quantity_like_traits<Q>::rep>) constexpr
   operator Q_() const& noexcept(
     noexcept(quantity_like_traits<Q>::from_numerical_value(numerical_value_is_an_implementation_detail_)) &&
     std::is_nothrow_copy_constructible_v<rep>)
@@ -236,7 +236,7 @@ class quantity {
   [[nodiscard]] explicit(is_specialization_of<decltype(quantity_like_traits<Q>::from_numerical_value(
                                                 numerical_value_is_an_implementation_detail_)),
                                               convert_explicitly> ||
-                         !std::convertible_to<Rep, typename Q::rep>) constexpr
+                         !std::convertible_to<Rep, typename quantity_like_traits<Q>::rep>) constexpr
   operator Q_() && noexcept(
     noexcept(quantity_like_traits<Q>::from_numerical_value(numerical_value_is_an_implementation_detail_)) &&
     std::is_nothrow_move_constructible_v<rep>)