| #pragma once |
| |
| #include <nlohmann/detail/macro_scope.hpp> |
| |
| NLOHMANN_JSON_NAMESPACE_BEGIN |
| namespace detail |
| { |
| #ifdef JSON_HAS_CPP_17 |
| |
| template<bool... Booleans> |
| struct cxpr_or_impl : std::integral_constant < bool, (Booleans || ...) > {}; |
| |
| template<bool... Booleans> |
| struct cxpr_and_impl : std::integral_constant < bool, (Booleans &&...) > {}; |
| |
| #else |
| |
| template<bool... Booleans> |
| struct cxpr_or_impl : std::false_type {}; |
| |
| template<bool... Booleans> |
| struct cxpr_or_impl<true, Booleans...> : std::true_type {}; |
| |
| template<bool... Booleans> |
| struct cxpr_or_impl<false, Booleans...> : cxpr_or_impl<Booleans...> {}; |
| |
| template<bool... Booleans> |
| struct cxpr_and_impl : std::true_type {}; |
| |
| template<bool... Booleans> |
| struct cxpr_and_impl<true, Booleans...> : cxpr_and_impl<Booleans...> {}; |
| |
| template<bool... Booleans> |
| struct cxpr_and_impl<false, Booleans...> : std::false_type {}; |
| |
| #endif |
| |
| template<class Boolean> |
| struct cxpr_not : std::integral_constant < bool, !Boolean::value > {}; |
| |
| template<class... Booleans> |
| struct cxpr_or : cxpr_or_impl<Booleans::value...> {}; |
| |
| template<bool... Booleans> |
| struct cxpr_or_c : cxpr_or_impl<Booleans...> {}; |
| |
| template<class... Booleans> |
| struct cxpr_and : cxpr_and_impl<Booleans::value...> {}; |
| |
| template<bool... Booleans> |
| struct cxpr_and_c : cxpr_and_impl<Booleans...> {}; |
| |
| } // namespace detail |
| NLOHMANN_JSON_NAMESPACE_END |
