NAME

       std::counted_iterator< _It > - An iterator adaptor that keeps track of the distance to the
       end.

SYNOPSIS

       #include <iterator>

       Inherits std::__detail::__counted_iter_value_type< _It >,
       std::__detail::__counted_iter_concept< _It >, and std::__detail::__counted_iter_cat< _It
       >.

   Public Types
       using difference_type = iter_difference_t< _It >
       using iterator_type = _It

   Public Member Functions
       constexpr counted_iterator (_It __i, iter_difference_t< _It > __n)
       template<typename _It2 >
           requires convertible_to<const _It2&, _It>constexpr counted_iterator (const
           counted_iterator< _It2 > &__x)"
       constexpr _It base () &&noexcept(is_nothrow_move_constructible_v< _It >)
       constexpr const _It & base () const &noexcept
       constexpr iter_difference_t< _It > count () const noexcept
       constexpr decltype(auto) operator* () const noexcept(noexcept(*_M_current))
       constexpr decltype(auto) operator* () noexcept(noexcept(*_M_current))
       constexpr counted_iterator operator+ (iter_difference_t< _It > __n) const
       constexpr counted_iterator & operator++ ()
       constexpr decltype(auto) operator++ (int)
       constexpr counted_iterator operator++ (int)
       constexpr counted_iterator & operator+= (iter_difference_t< _It > __n)
       constexpr counted_iterator operator- (iter_difference_t< _It > __n) const
       constexpr counted_iterator & operator-- ()
       constexpr counted_iterator operator-- (int)
       constexpr counted_iterator & operator-= (iter_difference_t< _It > __n)
       constexpr auto operator-> () const noexcept
       template<typename _It2 >
           requires assignable_from<_It&, const _It2&>constexpr counted_iterator & operator=
           (const counted_iterator< _It2 > &__x)"
       constexpr decltype(auto) operator[] (iter_difference_t< _It > __n) const
           noexcept(noexcept(_M_current[__n]))

   Friends
       constexpr iter_rvalue_reference_t< _It > iter_move (const counted_iterator &__i)
           noexcept(noexcept(ranges::iter_move(__i._M_current)))
       template<indirectly_swappable< _It > _It2> constexpr void iter_swap (const
           counted_iterator &__x, const counted_iterator< _It2 > &__y)
           noexcept(noexcept(ranges::iter_swap(__x._M_current, __y._M_current)))
       constexpr counted_iterator operator+ (iter_difference_t< _It > __n, const counted_iterator
           &__x)
       template<common_with< _It > _It2> constexpr iter_difference_t< _It2 > operator- (const
           counted_iterator &__x, const counted_iterator< _It2 > &__y)
       constexpr iter_difference_t< _It > operator- (const counted_iterator &__x,
           default_sentinel_t)
       constexpr iter_difference_t< _It > operator- (default_sentinel_t, const counted_iterator
           &__y)
       template<common_with< _It > _It2> constexpr strong_ordering operator<=> (const
           counted_iterator &__x, const counted_iterator< _It2 > &__y)
       template<common_with< _It > _It2> constexpr bool operator== (const counted_iterator &__x,
           const counted_iterator< _It2 > &__y)
       constexpr bool operator== (const counted_iterator &__x, default_sentinel_t)

Detailed Description

   template<input_or_output_iterator _It>
       class std::counted_iterator< _It >"An iterator adaptor that keeps track of the distance to
       the end.

       Definition at line 2339 of file bits/iterator.

Member Typedef Documentation

   template<input_or_output_iterator _It> using std::counted_iterator< _It >::difference_type =
       iter_difference_t<_It>
       Definition at line 2347 of file bits/iterator.

   template<input_or_output_iterator _It> using std::counted_iterator< _It >::iterator_type =
       _It
       Definition at line 2345 of file bits/iterator.

Constructor & Destructor Documentation

   template<input_or_output_iterator _It> constexpr std::counted_iterator< _It
       >::counted_iterator (_It __i, iter_difference_t< _It > __n) [inline],  [constexpr]
       Definition at line 2354 of file bits/iterator.

   template<input_or_output_iterator _It> template<typename _It2 >
       requires convertible_to<const _It2&, _It>constexpr std::counted_iterator< _It
       >::counted_iterator (const counted_iterator< _It2 > & __x) [inline],  [constexpr]"

       Definition at line 2361 of file bits/iterator.

Member Function Documentation

   template<input_or_output_iterator _It> constexpr _It std::counted_iterator< _It >::base () &&
       [inline],  [constexpr],  [noexcept]
       Definition at line 2382 of file bits/iterator.

   template<input_or_output_iterator _It> constexpr const _It & std::counted_iterator< _It
       >::base () const & [inline],  [constexpr],  [noexcept]
       Definition at line 2377 of file bits/iterator.

   template<input_or_output_iterator _It> constexpr iter_difference_t< _It >
       std::counted_iterator< _It >::count () const [inline],  [constexpr],  [noexcept]
       Definition at line 2388 of file bits/iterator.

   template<input_or_output_iterator _It> constexpr decltype(auto) std::counted_iterator< _It
       >::operator* () const [inline],  [constexpr],  [noexcept]
       Definition at line 2401 of file bits/iterator.

   template<input_or_output_iterator _It> constexpr decltype(auto) std::counted_iterator< _It
       >::operator* () [inline],  [constexpr],  [noexcept]
       Definition at line 2392 of file bits/iterator.

   template<input_or_output_iterator _It> constexpr counted_iterator std::counted_iterator< _It
       >::operator+ (iter_difference_t< _It > __n) const [inline],  [constexpr]
       Definition at line 2464 of file bits/iterator.

   template<input_or_output_iterator _It> constexpr counted_iterator & std::counted_iterator< _It
       >::operator++ () [inline],  [constexpr]
       Definition at line 2416 of file bits/iterator.

   template<input_or_output_iterator _It> constexpr decltype(auto) std::counted_iterator< _It
       >::operator++ (int) [inline],  [constexpr]
       Definition at line 2425 of file bits/iterator.

   template<input_or_output_iterator _It> constexpr counted_iterator std::counted_iterator< _It
       >::operator++ (int) [inline],  [constexpr]
       Definition at line 2439 of file bits/iterator.

   template<input_or_output_iterator _It> constexpr counted_iterator & std::counted_iterator< _It
       >::operator+= (iter_difference_t< _It > __n) [inline],  [constexpr]
       Definition at line 2475 of file bits/iterator.

   template<input_or_output_iterator _It> constexpr counted_iterator std::counted_iterator< _It
       >::operator- (iter_difference_t< _It > __n) const [inline],  [constexpr]
       Definition at line 2486 of file bits/iterator.

   template<input_or_output_iterator _It> constexpr counted_iterator & std::counted_iterator< _It
       >::operator-- () [inline],  [constexpr]
       Definition at line 2447 of file bits/iterator.

   template<input_or_output_iterator _It> constexpr counted_iterator std::counted_iterator< _It
       >::operator-- (int) [inline],  [constexpr]
       Definition at line 2455 of file bits/iterator.

   template<input_or_output_iterator _It> constexpr counted_iterator & std::counted_iterator< _It
       >::operator-= (iter_difference_t< _It > __n) [inline],  [constexpr]
       Definition at line 2508 of file bits/iterator.

   template<input_or_output_iterator _It> constexpr auto std::counted_iterator< _It >::operator->
       () const [inline],  [constexpr],  [noexcept]
       Definition at line 2411 of file bits/iterator.

   template<input_or_output_iterator _It> template<typename _It2 >
       requires assignable_from<_It&, const _It2&>constexpr counted_iterator &
       std::counted_iterator< _It >::operator= (const counted_iterator< _It2 > & __x) [inline],
       [constexpr]"

       Definition at line 2368 of file bits/iterator.

   template<input_or_output_iterator _It> constexpr decltype(auto) std::counted_iterator< _It
       >::operator[] (iter_difference_t< _It > __n) const [inline],  [constexpr],  [noexcept]
       Definition at line 2519 of file bits/iterator.

Friends And Related Function Documentation

   template<input_or_output_iterator _It> template<input_or_output_iterator _It2> friend class
       counted_iterator [friend]
       Definition at line 2567 of file bits/iterator.

   template<input_or_output_iterator _It> constexpr iter_rvalue_reference_t< _It > iter_move
       (const counted_iterator< _It > & __i) [friend]
       Definition at line 2548 of file bits/iterator.

   template<input_or_output_iterator _It> template<indirectly_swappable< _It > _It2> constexpr
       void iter_swap (const counted_iterator< _It > & __x, const counted_iterator< _It2 > & __y)
       [friend]
       Definition at line 2558 of file bits/iterator.

   template<input_or_output_iterator _It> constexpr counted_iterator operator+
       (iter_difference_t< _It > __n, const counted_iterator< _It > & __x) [friend]
       Definition at line 2470 of file bits/iterator.

   template<input_or_output_iterator _It> template<common_with< _It > _It2> constexpr
       iter_difference_t< _It2 > operator- (const counted_iterator< _It > & __x, const
       counted_iterator< _It2 > & __y) [friend]
       Definition at line 2493 of file bits/iterator.

   template<input_or_output_iterator _It> constexpr iter_difference_t< _It > operator- (const
       counted_iterator< _It > & __x, default_sentinel_t) [friend]
       Definition at line 2499 of file bits/iterator.

   template<input_or_output_iterator _It> constexpr iter_difference_t< _It > operator-
       (default_sentinel_t, const counted_iterator< _It > & __y) [friend]
       Definition at line 2504 of file bits/iterator.

   template<input_or_output_iterator _It> template<common_with< _It > _It2> constexpr
       strong_ordering operator<=> (const counted_iterator< _It > & __x, const counted_iterator<
       _It2 > & __y) [friend]
       Definition at line 2541 of file bits/iterator.

   template<input_or_output_iterator _It> template<common_with< _It > _It2> constexpr bool
       operator== (const counted_iterator< _It > & __x, const counted_iterator< _It2 > & __y)
       [friend]
       Definition at line 2530 of file bits/iterator.

   template<input_or_output_iterator _It> constexpr bool operator== (const counted_iterator< _It
       > & __x, default_sentinel_t) [friend]
       Definition at line 2536 of file bits/iterator.

Author

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