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  1. #include <iostream>
  2. #include <unordered_map>
  3. #include <string>
  4. using namespace std;
  5.  
  6. class Server {
  7. private:
  8. 	using erasedType = void (*)();
  9. 	unordered_map<string, erasedType> funcs;
  10. public:
  11. 	template<typename... Args>
  12. 	void Register(const string& name, void (*func)(Args...)) {
  13. 		funcs[name] = reinterpret_cast<erasedType>(func);
  14. 	}
  15.  
  16. 	template<typename... Args>
  17. 	void Call(const string& name, Args... args) {
  18. 		using funcType = void (*)(Args...);
  19. 		auto func = reinterpret_cast<funcType>(funcs.at(name));
  20. 		return func(args...);
  21. 	}
  22. };
  23.  
  24. int main() {
  25. 	Server server;
  26. 	server.Register("Add", +[](int a, int b){ cout << a+b << endl; });
  27. 	server.Register("Echo", +[](string str){ cout << str << endl; });
  28.  
  29.     server.Call("Add", 12, 13);
  30.     server.Call("Echo", string("hello"));
  31.  
  32. 	return 0;
  33. }
Success #stdin #stdout 0.01s 5380KB
comments (?)
stdin 
Standard input is empty
stdout 
25
hello
https://ideone.com/vfaJfH
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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