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std::insert_iterator<Container>::operator=

From cppreference.com
 
 
Iterator library
(C++11)(C++14)
(C++14)(C++14)  
(C++11)(C++14)
(C++14)(C++14)  
(C++17)(C++20)
(C++17)
(C++17)
 
 
(1)
insert_iterator<Container>&
    operator=( typename Container::const_reference value );
(until C++11)
insert_iterator<Container>&
    operator=( const typename Container::value_type& value );
(since C++11)
(until C++20)
constexpr insert_iterator<Container>&
    operator=( const typename Container::value_type& value );
(since C++20)
(2)
insert_iterator<Container>&
    operator=( typename Container::value_type&& value );
(since C++11)
(until C++20)
constexpr insert_iterator<Container>&
    operator=( typename Container::value_type&& value );
(since C++20)

Inserts the given value value to the container.

1) Results in iter = container->insert(iter, value); ++iter;.
2) Results in iter = container->insert(iter, std::move(value)); ++iter;.

[edit] Parameters

value - the value to insert

[edit] Return value

*this

Notes

This function exploits the signature compatibility between hinted insert for associative containers (such as std::set::insert ) and positional insert for sequential containers (such as std::vector::insert ).

[edit] Example

Run this code
#include <deque>
#include <iostream>
#include <iterator>
 
int main()
{
 std::deque <int> q;
 std::insert_iterator <std::deque <int>> it(q, q.begin());
 
 for (int i = 0; i < 10; ++i)
 it = i; // inserts i
 
 for (auto& elem : q)
 std::cout << elem << ' ';
 std::cout << '\n';
}

Output:

0 1 2 3 4 5 6 7 8 9
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