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std::back_insert_iterator::operator=

From cppreference.com
(1)
back_insert_iterator<Container>&
    operator=( typename Container::const_reference value );
(until C++11)
back_insert_iterator<Container>&
    operator=( const typename Container::value_type& value );
(since C++11)
back_insert_iterator<Container>&
    operator=( typename Container::value_type&& value );
(2) (since C++11)

Inserts the given value value to the container.

1) Results in container->push_back(value)
2) Results in container->push_back(std::move(value))

Contents

[edit] Parameters

value - the value to insert

[edit] Return value

*this

[edit] Example

[edit] Example

#include <iostream>
#include <iterator>
#include <vector>
 
void print(const std::vector<int>& vec)
{
    std::cout << "[";
    for (auto& elem : vec)
        std::cout << " " << elem;
    std::cout << " ]\n";
}
 
int main()
{
    std::vector<int> vec;
    std::back_insert_iterator< std::vector<int> > it(vec);
 
    for (int i=0; i<10; ++i)
        it = i; // calls vec.push_back(i)
 
    print(vec);
}

Output:

[ 0 1 2 3 4 5 6 7 8 9 ]