fix musllinux

Signed-off-by: Martijn Govers <Martijn.Govers@Alliander.com>
PowerGridModel · Jun 20, 2023 · e5a81fd · e5a81fd
1 parent b813681
commit e5a81fd
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/power_grid_model_c/power_grid_model/include/power_grid_model/auxiliary/meta_data.hpp b/power_grid_model_c/power_grid_model/include/power_grid_model/auxiliary/meta_data.hpp
@@ -135,8 +135,8 @@ struct DataAttribute {
     CompareValueFunc compare_value;
 };
 
-template <class Base, auto member_ptr>
-requires std::is_same_v<Base, typename trait_pointer_to_member<decltype(member_ptr)>::struct_type>
+template <class Base, auto member_ptr,
+          std::enable_if_t<std::is_same_v<Base, typename trait_pointer_to_member<decltype(member_ptr)>::struct_type>>>
 inline size_t get_offset() {
     using struct_type = typename trait_pointer_to_member<decltype(member_ptr)>::struct_type;
     struct_type const obj{};
@@ -147,8 +147,8 @@ constexpr bool is_little_endian() {
     return std::endian::native == std::endian::little;
 }
 
-template <class Base, auto member_ptr>
-requires std::is_same_v<Base, typename trait_pointer_to_member<decltype(member_ptr)>::struct_type>
+template <class Base, auto member_ptr,
+          std::enable_if_t<std::is_same_v<Base, typename trait_pointer_to_member<decltype(member_ptr)>::struct_type>>>
 inline DataAttribute get_data_attribute(std::string const& name) {
     using value_type = typename trait_pointer_to_member<decltype(member_ptr)>::value_type;
     using single_data_type = data_type<value_type>;