std::ranges::view_interface< _Derived >(3) Library Functions Manual NAME std::ranges::view_interface< _Derived > - The ranges::view_interface class template. SYNOPSIS #include Inherited by std::ranges::subrange< _It, _Sent, _Kind >. Public Member Functions constexpr decltype(auto) back () constexpr decltype(auto) back () const constexpr auto data () const noexcept(noexcept(ranges::begin(_M_derived()))) constexpr auto data () noexcept(noexcept(ranges::begin(_M_derived()))) constexpr bool empty () const noexcept(noexcept(_S_empty(_M_derived()))) constexpr bool empty () const noexcept(noexcept(ranges::size(_M_derived())==0)) constexpr bool empty () noexcept(noexcept(_S_empty(_M_derived()))) constexpr bool empty () noexcept(noexcept(ranges::size(_M_derived())==0)) constexpr decltype(auto) front () constexpr decltype(auto) front () const constexpr operator bool () const noexcept(noexcept(ranges::empty(_M_derived()))) constexpr operator bool () noexcept(noexcept(ranges::empty(_M_derived()))) template constexpr decltype(auto) operator[] (range_difference_t< _Range > __n) template constexpr decltype(auto) operator[] (range_difference_t< _Range > __n) const constexpr auto size () const noexcept(noexcept(_S_size(_M_derived()))) constexpr auto size () noexcept(noexcept(_S_size(_M_derived()))) Detailed Description template requires is_class_v<_Derived> && same_as<_Derived, remove_cv_t<_Derived>> class std::ranges::view_interface< _Derived >"The ranges::view_interface class template. Author Generated automatically by Doxygen for libstdc++ from the source code. libstdc++ std::ranges::view_interface< _Derived >(3)