53         constexpr Derived & derived() noexcept  in derived()
57         constexpr const Derived & derived() const noexcept  in derived()
65         constexpr auto empty() noexcept(  in empty()
66             noexcept(std::declval<D &>().begin() == std::declval<D &>().end()))  in empty()
73         constexpr auto empty() const noexcept(noexcept(  in empty()
87         operator bool() noexcept(noexcept(std::declval<D &>().empty()))  in operator bool()
95             noexcept(noexcept(std::declval<D const &>().empty()))  in operator bool()
104         constexpr auto data() noexcept(noexcept(std::declval<D &>().begin()))  in data()
114             noexcept(noexcept(std::declval<D const &>().begin()))  in data()
121         constexpr auto size() noexcept(  in size()
122             noexcept(std::declval<D &>().end() - std::declval<D &>().begin()))  in size()
128         constexpr auto size() const noexcept(noexcept(  in size()
139         constexpr auto front() noexcept(noexcept(*std::declval<D &>().begin()))  in front()
146             noexcept(noexcept(*std::declval<D const &>().begin()))  in front()
158         back() noexcept(noexcept(*std::prev(std::declval<D &>().end())))  in back()
169             noexcept(noexcept(*std::prev(std::declval<D const &>().end())))  in back()
176         constexpr auto operator[](v1_dtl::range_difference_t<D> n) noexcept(  in operator []()
177             noexcept(std::declval<D &>().begin()[n]))  in operator []()
184             noexcept(noexcept(std::declval<D const &>().begin()[n]))  in operator []()
194     constexpr auto operator!=(ViewInterface lhs, ViewInterface rhs) noexcept(  in operator !=()
195         noexcept(lhs == rhs))  in operator !=()