// Demonstrating the STL vector erase function
#include <iostream>
#include <cassert>
#include <vector>
#include <string>
#include <algorithm>  // for find
using namespace std;
template <typename Container>
Container make(const char s[])
{
  return Container(&s[0], &s[strlen(s)]);
}

int main() 
{
  cout << "Demonstrating STL vector erase function." << endl;

  vector<char> vector1 = make< vector<char> >("remembering");
  vector<char>::iterator j;

  j = find(vector1.begin(), vector1.end(), 'm');

  // j now points to the first 'm':
  assert (*j == 'm' && *(j+1) == 'e');

  vector1.erase(j--); 
  assert (vector1 == make< vector<char> >("reembering"));

  // j now points to the first 'e':
  assert (*j == 'e' && *(j+1) == 'e');

  vector1.erase(j--); 
  assert (vector1 == make< vector<char> >("rembering"));
  assert (*j == 'r');

  // Erase first 3 characters:
  vector1.erase(j, j + 3);
  assert (vector1 == make< vector<char> >("bering"));

  vector1.erase(vector1.begin() + 1);
  assert (vector1 == make< vector<char> >("bring"));
  cout << " --- Ok." << endl;
  return 0;
}