NAME

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

SYNOPSIS

       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 constexpr convertible_to< const _It2 &, _It > 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)) requires __detail
       constexpr decltype(auto) operator* () noexcept(noexcept(*_M_current))
       constexpr counted_iterator operator+ (iter_difference_t< _It > __n) const requires
           random_access_iterator< _It >
       constexpr decltype(auto) operator++ (int)
       constexpr counted_iterator operator++ (int) requires forward_iterator< _It >
       constexpr counted_iterator & operator+= (iter_difference_t< _It > __n) requires random_access_iterator<
           _It >
       constexpr counted_iterator operator- (iter_difference_t< _It > __n) const requires
           random_access_iterator< _It >
       constexpr counted_iterator & operator-- () requires bidirectional_iterator< _It >
       constexpr counted_iterator operator-- (int) requires bidirectional_iterator< _It >
       constexpr counted_iterator & operator-= (iter_difference_t< _It > __n) requires random_access_iterator<
           _It >
       template<typename _It2 > requires constexpr assignable_from< _It &, const _It2 & > counted_iterator &
           operator= (const counted_iterator< _It2 > &__x)
       constexpr decltype(auto) operator[] (iter_difference_t< _It > __n) const
           noexcept(noexcept(_M_current[__n])) requires random_access_iterator< _It >

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

Author

       Generated automatically by Doxygen for libstdc++ from the source code.

libstdc++                                        Tue Jul 15 2025              std::counted_iterator< _It >(3cxx)