Function make_error_code

include/libremidi/system_error2.hpp:2940–2943

//} // end anonymous namespace

inline std::error_code make_error_code(dynamic_exception_errc code) noexcept
{
  return std::error_code{static_cast<int>(code), dynamic_exception_category()};
}

inline std::error_code error_code_from_exception(std::exception_ptr eptr) noexcept
{