draconisplusplus/include/rfl/internal/all_fields.hpp

#ifndef RFL_INTERNAL_ALLFIELDS_HPP_
#define RFL_INTERNAL_ALLFIELDS_HPP_

#include <tuple>
#include <type_traits>
#include <utility>

#include "is_field.hpp"

namespace rfl {
  namespace internal {

    template <class TupleType, int _i = 0>
    constexpr bool all_fields() {
      if constexpr (_i == std::tuple_size_v<TupleType>) {
        return true;
      } else {
        using T = std::tuple_element_t<_i, TupleType>;
        return is_field_v<T> && all_fields<TupleType, _i + 1>();
      }
    }

  } // namespace internal
} // namespace rfl

#endif