#include "head.h"
#include "nlohmann/json.hpp"

using nlohmann::json;

namespace ns
{
	struct Person
	{
		std::string name = "";
		int age = 0;
		HTuple score;
	};

	// to_json 和 from_json 需要在同一命名空间下
	void to_json(json& j, const Person& p)
	{
		j["name"] = p.name;
		j["age"] = p.age;
		j["score"] = p.score.D();
	}

	void from_json(const json& j, Person& p)
	{
		j.at("name").get_to(p.name);
		j.at("age").get_to(p.age);
		double d = 0.0;
		j.at("score").get_to(d);
		p.score = d;
	}
}


int main()
{

	ns::Person p{ "Tim", 10, 0.9};
	
	json j = p;
	std::cout << j << std::endl;

	ns::Person p1;
	j.get_to<ns::Person>(p1);

	std::cout << "name:" << p1.name << std::endl;
	std::cout << "age:" << p1.age << std::endl;
	std::cout << "score:" << p1.score.D() << std::endl;

	system("pause");

	return 0;
}

注意：需要将 to_json 和 from_json 以及要进行转换的结构体，写到同一命名空间下；