draconisplusplus/include/rfl/AddStructName.hpp

#ifndef RFL_ADDSTRUCTNAME_HPP_
#define RFL_ADDSTRUCTNAME_HPP_

#include <tuple>

#include "Field.hpp"
#include "Literal.hpp"
#include "internal/StringLiteral.hpp"
#include "internal/get_type_name.hpp"
#include "internal/remove_namespaces.hpp"
#include "make_named_tuple.hpp"

namespace rfl {

  template <internal::StringLiteral field_name_>
  struct AddStructName {
    /// Adds the name of the struct as a new field.
    template <class StructType>
    static auto process(auto&& _view) {
      using LiteralType =
        Literal<internal::remove_namespaces<internal::get_type_name<StructType>()>()>;
      using FieldType          = Field<field_name_, LiteralType>;
      const auto add_new_field = [](auto&&... _fields) {
        return make_named_tuple(FieldType(LiteralType()), std::move(_fields)...);
      };
      return std::apply(add_new_field, std::move(_view.fields()));
    }
  };

} // namespace rfl

#endif