json/doc/examples/insert__count.cpp
Niels Lohmann 504012a3db
📝 cleanup after #650
As <iostream> is not included in json.hpp any more, all code examples need to include <iostream> now.
2017-07-09 11:51:38 +02:00

18 lines
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#include <iostream>
#include "json.hpp"
using json = nlohmann::json;
int main()
{
// create a JSON array
json v = {1, 2, 3, 4};
// insert number 7 copies of number 7 before number 3
auto new_pos = v.insert(v.begin() + 2, 7, 7);
// output new array and result of insert call
std::cout << *new_pos << '\n';
std::cout << v << '\n';
}