ranges::v3::any_view< Ref, Cat, enable > Struct Template Reference

Description

template<typename Ref, category Cat = category::input, typename enable = void>
struct ranges::v3::any_view< Ref, Cat, enable >

A type-erased view.

Inheritance diagram for ranges::v3::any_view< Ref, Cat, enable >:

Public Member Functions
template<typename Rng , requires = (meta::and_< meta::not_<Same<detail::decay_t<Rng>, any_view>>, InputRange<Rng>, meta::defer<detail::AnyCompatibleRange, Rng, Ref>>::value)>
	any_view (Rng &&rng)
	any_view (any_view &&)=default
	any_view (any_view const &that)
any_view &	operator= (any_view &&)=default
any_view &	operator= (any_view const &that)
std::size_t	size () const
Public Member Functions inherited from ranges::v3::view_facade< any_view< Ref, Cat >,(Cat &category::sized)==category::sized ? finite :unknown >
detail::facade_iterator_t< D >	begin ()
	Let d be static_cast<Derived &>(*this). Let b be std::as_const(d).begin_cursor() if that expression is well-formed; otherwise, let b be d.begin_cursor(). Let B be the type of b. More...
detail::facade_iterator_t< D const >	begin () const
detail::facade_sentinel_t< D >	end ()
	Let d be static_cast<Derived &>(*this). Let e be std::as_const(d).end_cursor() if that expression is well-formed; otherwise, let e be d.end_cursor(). Let E be the type of e. More...
detail::facade_sentinel_t< D const >	end () const
Public Member Functions inherited from ranges::v3::view_interface< any_view< Ref, Cat >, Cardinality >
auto	at (range_difference_type_t< D > n) -> decltype(std::declval< D & >().begin()[n])
	Returns a reference to the element at specified location pos, with bounds checking.
auto	at (range_difference_type_t< D > n) const -> decltype(std::declval< D const & >().begin()[n])
range_reference_t< D >	back ()
	Access the last element in a range:
range_reference_t< D const >	back () const
constexpr bool	empty () const noexcept
constexpr bool	empty () const noexcept(noexcept(bool(ranges::begin(std::declval< D const & >())==ranges::end(std::declval< D const & >()))))
range_reference_t< D >	front ()
	Access the first element in a range:
range_reference_t< D const >	front () const
constexpr	operator bool () const noexcept(noexcept(ranges::empty(std::declval< D const & >())))
	operator Container ()
	Implicit conversion to something that looks like a container.
	operator Container () const
constexpr auto	operator! () const noexcept(noexcept(decltype(ranges::empty(std::declval< D const & >()))(ranges::empty(std::declval< D const & >())))) -> decltype(ranges::empty(std::declval< D const & >()))
view_interface &	operator= (view_interface &&)=default
view_interface &	operator= (view_interface const &)=default
auto	operator[] (range_difference_type_t< D > n) -> decltype(std::declval< D & >().begin()[n])
	Simple indexing:
auto	operator[] (range_difference_type_t< D > n) const -> decltype(std::declval< D const & >().begin()[n])
auto	operator[] (detail::slice_bounds< range_difference_type_t< D >> offs) &-> decltype(std::declval< Slice >()(std::declval< D & >(), offs.from, offs.to))
	Python-ic slicing:
auto	operator[] (detail::slice_bounds< range_difference_type_t< D >> offs) const &-> decltype(std::declval< Slice >()(std::declval< D const & >(), offs.from, offs.to))
auto	operator[] (detail::slice_bounds< range_difference_type_t< D >> offs) &&-> decltype(std::declval< Slice >()(std::declval< D >(), offs.from, offs.to))
auto	operator[] (detail::slice_bounds< range_difference_type_t< D >, detail::from_end_< range_difference_type_t< D >>> offs) &-> decltype(std::declval< Slice >()(std::declval< D & >(), offs.from, offs.to))
auto	operator[] (detail::slice_bounds< range_difference_type_t< D >, detail::from_end_< range_difference_type_t< D >>> offs) const &-> decltype(std::declval< Slice >()(std::declval< D const & >(), offs.from, offs.to))
auto	operator[] (detail::slice_bounds< range_difference_type_t< D >, detail::from_end_< range_difference_type_t< D >>> offs) &&-> decltype(std::declval< Slice >()(std::declval< D >(), offs.from, offs.to))
auto	operator[] (detail::slice_bounds< detail::from_end_< range_difference_type_t< D >>, detail::from_end_< range_difference_type_t< D >>> offs) &-> decltype(std::declval< Slice >()(std::declval< D & >(), offs.from, offs.to))
auto	operator[] (detail::slice_bounds< detail::from_end_< range_difference_type_t< D >>, detail::from_end_< range_difference_type_t< D >>> offs) const &-> decltype(std::declval< Slice >()(std::declval< D const & >(), offs.from, offs.to))
auto	operator[] (detail::slice_bounds< detail::from_end_< range_difference_type_t< D >>, detail::from_end_< range_difference_type_t< D >>> offs) &&-> decltype(std::declval< Slice >()(std::declval< D >(), offs.from, offs.to))
auto	operator[] (detail::slice_bounds< range_difference_type_t< D >, end_fn > offs) &-> decltype(std::declval< Slice >()(std::declval< D & >(), offs.from, offs.to))
auto	operator[] (detail::slice_bounds< range_difference_type_t< D >, end_fn > offs) const &-> decltype(std::declval< Slice >()(std::declval< D const & >(), offs.from, offs.to))
auto	operator[] (detail::slice_bounds< range_difference_type_t< D >, end_fn > offs) &&-> decltype(std::declval< Slice >()(std::declval< D >(), offs.from, offs.to))
auto	operator[] (detail::slice_bounds< detail::from_end_< range_difference_type_t< D >>, end_fn > offs) &-> decltype(std::declval< Slice >()(std::declval< D & >(), offs.from, offs.to))
auto	operator[] (detail::slice_bounds< detail::from_end_< range_difference_type_t< D >>, end_fn > offs) const &-> decltype(std::declval< Slice >()(std::declval< D const & >(), offs.from, offs.to))
auto	operator[] (detail::slice_bounds< detail::from_end_< range_difference_type_t< D >>, end_fn > offs) &&-> decltype(std::declval< Slice >()(std::declval< D >(), offs.from, offs.to))
constexpr range_size_type_t< D >	size () const noexcept
	Access the size of the range, if it can be determined:
constexpr range_size_type_t< D >	size () const
	view_interface (view_interface &&)=default
	view_interface (view_interface const &)=default

Public Attributes
friend	range_access

Additional Inherited Members
Protected Member Functions inherited from ranges::v3::view_facade< any_view< Ref, Cat >,(Cat &category::sized)==category::sized ? finite :unknown >
any_view< Ref, Cat >	begin_cursor () const
constexpr default_sentinel	end_cursor () const
Protected Member Functions inherited from ranges::v3::view_interface< any_view< Ref, Cat >, Cardinality >
any_view< Ref, Cat > &	derived () noexcept
constexpr any_view< Ref, Cat > const &	derived () const noexcept
Protected Attributes inherited from ranges::v3::view_facade< any_view< Ref, Cat >,(Cat &category::sized)==category::sized ? finite :unknown >
friend	range_access

Member Function Documentation

size()

template<typename Ref , category Cat = category::input, typename enable = void>

std::size_t ranges::v3::any_view< Ref, Cat, enable >::size

(

)

const

Precondition

(Cat & category::sized) == category::sized