std::counted_iterator<I>::operator=

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Iterator library

Iterator concepts

indirectly_readable (C++20)
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weakly_incrementable (C++20)
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input_iterator_tagoutput_iterator_tagforward_iterator_tagbidirectional_iterator_tagrandom_access_iterator_tagcontiguous_iterator_tag

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iter_value_titer_difference_titer_reference_titer_const_reference_titer_rvalue_reference_titer_common_reference_t

(C++20)(C++20)(C++20)(C++23)(C++20)(C++20)

iterator (deprecated in C++17)
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(C++20)

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common_iterator (C++20)
counted_iterator (C++20)
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empty (C++17)
data (C++17)

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std::counted_iterator

Member functions
counted_iterator::counted_iterator
counted_iterator::operator=
counted_iterator::base
counted_iterator::count
counted_iterator::operator*counted_iterator::operator->
counted_iterator::operator[]
counted_iterator::operator++counted_iterator::operator++(int)counted_iterator::operator+counted_iterator::operator+=counted_iterator::operator--counted_iterator::operator--(int)counted_iterator::operator-counted_iterator::operator-=
Non-member functions
operator==operator<=> (C++20)(C++20)
operator==(default_sentinel_t) (C++20)
operator+ (C++20)
operator- (C++20)
operator-(default_sentinel_t) (C++20)
iter_move (C++20)
iter_swap (C++20)
Helper classes
iterator_traits<std::counted_iterator> (C++20)

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template<class I2> requiresstd::assignable_from<I&,const I2&> constexpr counted_iterator& operator=(const counted_iterator<I2>& other);		(since C++20)

The underlying iterator andlength are assigned with those ofother.

[edit]Parameters

other

iterator adaptor to assign from

[edit]Return value

*this

[edit]Example

Run this code

#include <algorithm>#include <cassert>#include <initializer_list>#include <iterator> int main(){auto a={3,1,4,1,5,9,2};std::counted_iterator<std::initializer_list<int>::iterator> p(begin(a), size(a)-2);std::counted_iterator<std::initializer_list<int>::iterator> q;assert(q.count()==0);assert(q.count()!= p.count());    q= p;assert(q.count()== p.count());assert(std::ranges::equal(p,std::default_sentinel, q,std::default_sentinel));}