View source for cpp/algorithm/ranges/set intersection

===Example===
{{example
|code=
#include <algorithm>
#include <iostream>
#include <iterator>
#include <vector>

void print(const auto& v, const auto& rem)
{
    std::cout << "{ ";
    for (const auto& e : v)
        std::cout << e << ' ';
    std::cout << '}' << rem;
}

int main()
{
    const auto in1 = {1, 2, 2, 3, 4, 5, 6};
    const auto in2 = {2, 2, 3, 3, 5, 7};
    std::vector<int> out {};

    std::ranges::set_intersection(in1, in2, std::back_inserter(out));

    print(in1, " ∩ "), print(in2, " = "), print(out, "\n");
}
|output=
{ 1 2 2 3 4 5 6 } ∩ { 2 2 3 3 5 7 } = { 2 2 3 5 }
}}