Files
nixos/packages/biu/include/biu/concepts.tpp
2024-08-01 00:25:23 +08:00

35 lines
1.3 KiB
C++

# pragma once
# include <tuple>
# include <biu/concepts.hpp>
namespace biu::concepts
{
template <typename ProvidedArgs, typename ActualArgs> consteval bool
detail_::specialization_of_detail_::check_provided_args()
{
if constexpr (std::tuple_size_v<ProvidedArgs> == 0)
return true;
else if constexpr (std::tuple_size_v<ActualArgs> == 0)
return false;
else if constexpr
(std::same_as<std::tuple_element_t<0, ProvidedArgs>, std::tuple_element_t<0, ActualArgs>>)
return check_provided_args
<
typename DropFirstMemberOfTupleHelper<ProvidedArgs>::Type,
typename DropFirstMemberOfTupleHelper<ActualArgs>::Type
>();
else
return false;
}
template <typename Class, template <typename...> typename Template> template <typename... ProvidedArgs> consteval
bool detail_::specialization_of_detail_::SpecializationOfHelper<Class, Template>::check_provided_args()
{ return false; }
template <template <typename...> typename Template, typename... ActualArgs> template <typename... ProvidedArgs>
consteval bool detail_::specialization_of_detail_::SpecializationOfHelper
<Template<ActualArgs...>, Template>::check_provided_args()
{
return specialization_of_detail_::check_provided_args
<std::tuple<ProvidedArgs...>, std::tuple<ActualArgs...>>();
}
}