Switcher.cpp

//This isn't really possible with templates, and even without templates it needs refactoring every time you want to add something new.
#include <functional>
#include <iostream>
#include <string>
 
class Switcher {
public:
  Switcher(std::string s);
  Switcher(int i);
  
  Switcher& Case(std::string s, std::function<void()> fn);
  Switcher& Case(int i, std::function<void()> fn);
  
  Switcher& Break();
  
  Switcher& Default(std::function<void()>);
};

int main() {
  Switcher("Hello")
  .Case("Foobar", [](){
    std::cout << "Incorrect" << std::endl;
  })
  .Break()
  .Case("Hello", [](){
    std::cout << "Correct" << std::endl;
  })
  .Case(6, [](){
    std::cout << "Number" << std::endl;
  })
  .Break()
  .Default([](){
    std::cout << "Default" << std::endl;
  })
  .Invoke();
  return 0;
}