json/docs/examples/json_pointer__operator_add_binary.cpp

#include <iostream>
#include <nlohmann/json.hpp>

using json = nlohmann::json;

int main()
{
    // create a JSON pointer
    json::json_pointer ptr("/foo");

    // append a JSON Pointer
    std::cout << "\"" << ptr / json::json_pointer("/bar/baz") << "\"\n";

    // append a string
    std::cout << "\"" << ptr / "fob" << "\"\n";

    // append an array index
    std::cout << "\"" << ptr / 42 << "\"" << std::endl;
}