online compiler and debugger for c/c++

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/****************************************************************************** Online C++ Compiler. Code, Compile, Run and Debug C++ program online. Write your code in this editor and press "Run" button to compile and execute it. *******************************************************************************/ #include <iostream> #include <functional> #include <sstream> #include <map> using namespace std; template <class T> class Prop { public: Prop(const std::string &key, const std::function<void(std::string, std::string)> &changed); private: std::string Key; T Value; std::function<void(std::string, std::string)> changed; public: void operator=(const T &value) { this->Value = value; this->changed(this->Key, static_cast<ostringstream&>(ostringstream() << value).str()); } }; template <class T> Prop<T>::Prop(const std::string &key, const std::function<void(std::string, std::string)> &changed) { this->Key = key; this->changed = changed; } class TheList { private: std::map<std::string, std::string> theList; protected: void Update(const std::string &key, const std::string &value); public: std::string ToJson(); }; void TheList::Update(const std::string &key, const std::string &value) { theList[key] = value; } // TODO: body of this method will change and will use a processing library. std::string TheList::ToJson() { std::string json = "{\n"; for (auto it : theList) { json += "\t\"" + it.first + "\": " + "\"" + it.second + "\",\n"; } json.pop_back(); json.pop_back(); json += "\n}"; return json; } // A Serializable object. class User : public TheList { public: User(); public: Prop<std::string> Name; Prop<short> Age; Prop<std::string> Address; }; User::User() : Name("Name", std::bind(&User::Update, this, std::placeholders::_1, std::placeholders::_2)), Age("Age", std::bind(&User::Update, this, std::placeholders::_1, std::placeholders::_2)), Address("Address", std::bind(&User::Update, this, std::placeholders::_1, std::placeholders::_2)) { } int main() { User user; user.Name = "Pamela"; user.Age = 25; user.Address = "USA"; std::string json = user.ToJson(); cout << json << endl; return 0; }

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