Public Member Functions | |
constexpr empty_view< std::tuple<> > | operator() () const noexcept |
template<typename... Rngs> | |
constexpr cartesian_product_view< all_t< Rngs >... > | operator() (Rngs &&... rngs) const |
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constexpr |
(sizeof...(Rngs) != 0) && concepts::and_v<(forward_range<Rngs> && viewable_range<Rngs>)...>