Function build_string

include/lbann/utils/exception.hpp:160–166

 */
template <typename... Args>
std::string build_string(Args&&... args)
{
  std::ostringstream oss;
  int dummy[] = {(oss << args, 0)...};
  (void)dummy; // silence compiler warnings
  return oss.str();
}

} // namespace lbann