How to encode URL query parameters in C++ using Boost.URL

#include <iostream>
#include <boost/url.hpp>

using namespace boost::urls;

int main() {
    std::string username = "myusername";
    std::string password = "mypassword";
    url_view base_url = "https://example.com/api/login";

    url encoded_url(base_url);
    encoded_url.params().set("user name", username); // With space to test proper encoding
    encoded_url.params().set("password", password);

    // Prints "https://example.com/api/login?username=my%20user%20name&password=mypassword"
    std::cout << "Encoded URL: " << encoded_url << std::endl;

    return 0;
}

g++ -o urlhost urlhost.cpp -lboost_url