programming-examples/c++/Others/Access out-of-range element.cpp
2019-11-15 12:59:38 +01:00

40 lines
945 B
C++

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 array[ 6 ] = { 1, 2, 3, 4, 5, 6 };
std::vector< int > integers( array, array + 6 );
std::ostream_iterator< int > output( cout, " " );
integers.push_back( 2 );
integers.push_back( 3 );
integers.push_back( 4 );
cout << "Vector integers contains: ";
std::copy( integers.begin(), integers.end(), output );
try
{
integers.at( 100 ) = 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
*/