From 25a470dcb739ec493208d93d4598557f582db08a Mon Sep 17 00:00:00 2001
From: Mateusz Pusz <mateusz.pusz@gmail.com>
Date: Tue, 28 May 2019 16:21:28 +0200
Subject: [PATCH] std::conditional_t replaced with custom implementation

---
 src/include/units/dimension.h | 7 +++----
 src/include/units/unit.h      | 8 ++++----
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/src/include/units/dimension.h b/src/include/units/dimension.h
index e1e0649f..55c1ea32 100644
--- a/src/include/units/dimension.h
+++ b/src/include/units/dimension.h
@@ -141,14 +141,13 @@ namespace units {
     template<Exponent E1, Exponent... ERest>
     struct dim_consolidate<dimension<E1, ERest...>> {
       using rest = dim_consolidate_t<dimension<ERest...>>;
-      using type =
-          std::conditional_t<std::is_same_v<rest, dimension<>>, dimension<E1>, type_list_push_front<rest, E1>>;
+      using type = conditional<std::is_same_v<rest, dimension<>>, dimension<E1>, type_list_push_front<rest, E1>>;
     };
 
     template<typename D, int V1, int V2, Exponent... ERest>
     struct dim_consolidate<dimension<exp<D, V1>, exp<D, V2>, ERest...>> {
-      using type = std::conditional_t<V1 + V2 == 0, dim_consolidate_t<dimension<ERest...>>,
-                                      dim_consolidate_t<dimension<exp<D, V1 + V2>, ERest...>>>;
+      using type = conditional<V1 + V2 == 0, dim_consolidate_t<dimension<ERest...>>,
+                               dim_consolidate_t<dimension<exp<D, V1 + V2>, ERest...>>>;
     };
 
   }  // namespace detail
diff --git a/src/include/units/unit.h b/src/include/units/unit.h
index bed885d2..e9ea16db 100644
--- a/src/include/units/unit.h
+++ b/src/include/units/unit.h
@@ -74,8 +74,8 @@ namespace units {
     template<typename BaseDimension, Unit U, Unit... Rest>
     struct get_ratio<BaseDimension, U, Rest...> {
       using unit_base_dim = get_unit_base_dim<typename U::dimension::base_type>::dimension;
-      using ratio = std::conditional_t<unit_base_dim::value == BaseDimension::value, typename U::ratio,
-                                       typename get_ratio<BaseDimension, Rest...>::ratio>;
+      using ratio = conditional<unit_base_dim::value == BaseDimension::value, typename U::ratio,
+                                typename get_ratio<BaseDimension, Rest...>::ratio>;
     };
 
     template<Ratio Result, int UnitExpValue, Ratio UnitRatio>
@@ -88,8 +88,8 @@ namespace units {
 
     template<Ratio Result, int UnitExpValue, Ratio UnitRatio>
     struct ratio_op {
-      using calc_ratio = std::conditional_t<(UnitExpValue > 0), ratio_multiply<Result, UnitRatio>,
-                                            ratio_divide<Result, UnitRatio>>;
+      using calc_ratio = conditional<(UnitExpValue > 0), ratio_multiply<Result, UnitRatio>,
+                                     ratio_divide<Result, UnitRatio>>;
       static constexpr int value = UnitExpValue > 0 ? UnitExpValue - 1 : UnitExpValue + 1;
       using ratio = ratio_op<calc_ratio, value, UnitRatio>::ratio;
     };