draconisplusplus/include/rfl/internal/has_flatten_fields.hpp

#ifndef RFL_INTERNAL_HASFLATTENFIELDS_HPP_
#define RFL_INTERNAL_HASFLATTENFIELDS_HPP_

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

#include "is_flatten_field.hpp"

namespace rfl {
  namespace internal {

    template <class TupleType, int _i = 0>
    constexpr bool has_flatten_fields() {
      if constexpr (_i == std::tuple_size_v<TupleType>) {
        return false;
      } else {
        using T = std::remove_cvref_t<std::tuple_element_t<_i, TupleType>>;
        return is_flatten_field_v<T> || has_flatten_fields<TupleType, _i + 1>();
      }
    }

  } // namespace internal
} // namespace rfl

#endif