constexpr void operator()

in include/unifex/swap.hpp [61:64]

• 4 lines of code
• 7 McCabe index (conditional complexity)

        constexpr void operator()(T &&t, U &&u) const
            noexcept(noexcept(swap((T &&) t, (U &&) u))) {
            swap((T &&) t, (U &&) u);
        }