// Code derived from Stroustrup's PPP2 book
// § 5.6.2 Range errors
//  -and beginning on p 149

#include <iostream>
#include <stdexcept>
#include <string>
#include <vector>

using std::cerr;
using std::cin;
using std::cout;
using std::out_of_range;
using std::to_string;
using std::vector;

int main()
try {
  cout << "Please enter integers: (press '|' to stop):\n";
  vector<int> v;  // a vector of ints
  for (int x; cin >> x;)
    v.push_back(x);  // set values

  // print values
  for (unsigned int i = 0; i <= v.size(); ++i) {
    // exposition only:
    // if (v.size() <= i)  // check the index i against the vector size
    //   throw out_of_range{to_string(i)};

    cout << "v[" << i << "] == " << v[i] << '\n';
  }

} catch (out_of_range&) {
  cerr << "Oops! Range error\n";
  return 1;

} catch (...) {  // catch all other exceptions
  cerr << "Exception: something went wrong\n";
  return 2;
}