#include <iostream>
#include <cstdlib>

using namespace std;

extern int someFunction() noexcept;  // this annotation is UNCHECKED by the compiler!

class Fin {
  public:
    Fin(int n) { name = n; cout << "Fin constructor(" << name << ")" << endl; }
    ~Fin() { cout << "Fin destructor(" << name << ")" << endl; }
  private:
    int name;
};

string helloWorld() {
  return "Hello world!";
}

void handler() {
  cout << "In handler" << endl;
  throw;  // this is called a "rethrow"
}

int main(int argc, char* argv[]) {

  int x = 10;
  int &ref = x;
  int const & constRef = x;
  const int constInt = 20;
  int *pX = &x;

  double y = 100.0;
  string str = "a string";

  float floatVar = 1000.0;

  while ( cin.good() ) {
    int which;
    cin >> which;
    if ( !cin.good() ) throw "cin input failed";


    try {
      Fin localFin(which);

      switch(which) {
        case 0: throw x;
        case 1: throw y;
        case 2: throw str;

        case 3: throw floatVar;

        case 4: throw pX;
        case 5: throw ref;
        case 6: throw constInt;
        case 7: throw constRef;

        case 8: throw helloWorld;
      }

    } catch (int &intRefException ) {
      cout << "int & exception: " << intRefException << endl;
    } catch (int intException) {
      cout << "Int exception: " << intException << endl;
    } catch (int *ptrException ) {
      cout << "int * exception: " << *ptrException << endl;
    } catch ( const int constIntException) {
      cout << "Const int exception: " << constIntException << endl;
    } catch (double doubleException ) {
      cout << "Double exception: " << doubleException << endl;
    } catch (string strException ) {
      cout << "String exception: " << strException << endl;
    } catch ( string (*func)() ) {
      cout << "Function exception: " << func() << endl;
    } catch (...) {
      handler();
    }

  } // end of while loop

  return EXIT_SUCCESS;
}