constexpr auto operator()

in include/unifex/tag_invoke.hpp [30:34]

• 5 lines of code
• 8 McCabe index (conditional complexity)

      constexpr auto operator()(CPO cpo, Args&&... args) const
          noexcept(noexcept(tag_invoke((CPO &&) cpo, (Args &&) args...)))
          -> decltype(tag_invoke((CPO &&) cpo, (Args &&) args...)) {
        return tag_invoke((CPO &&) cpo, (Args &&) args...);
      }