Access out-of-range element : out_of_range exception « STL Introduction « C++ Tutorial

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C++ Tutorial » STL Introduction » out_of_range exception 
14.7.1.Access out-of-range element
#include <iostream>
using std::cout;
using std::endl;

#include <vector>    // vector class-template definition
#include <algorithm> // copy algorithm
#include <iterator>  // ostream_iterator iterator
#include <stdexcept> // out_of_range exception

int main()
{
   int array12345};
   std::vector< int > integersarray, array + );
   std::ostream_iterator< int > outputcout, " " );

   integers.push_back);
   integers.push_back);
   integers.push_back);

   cout << "Vector integers contains: ";
   std::copyintegers.begin(), integers.end(), output );

   try
   {
      integers.at100 777;
   catch std::out_of_range outOfRange // out_of_range exception
   {
      cout << "\n\nException: " << outOfRange.what();
   }

   return 0;
}
Vector integers contains: 1 2 3 4 5 6 2 3 4

Exception: vector::_M_range_check
14.7.out_of_range exception
14.7.1.Access out-of-range element
14.7.2.Use std::out_of_range Exception for vector
14.7.3.Catch out_of_range exception
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