#include <boost/json.hpp> boost::json::value j = boost::json::parse(json_str);
Full example:
#include <boost/json.hpp> #include <iostream> int main() { // Hardcoded JSON string const std::string json_str = R"( { "key": "1234", "value": "Hello, world!" } )"; // Parse the JSON string boost::json::value j = boost::json::parse(json_str); // Access the "value" property and print it to stdout std::string value = j.at("value").as_string().c_str(); std::cout << value << std::endl; // Prints "Hello, world!" return 0; }
Compile using
g++ -o json json.cpp -lboost_json