copyex.cpp

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#include <algorithm>   // for copy
#include <iostream>    // for cout, endl
#include <iterator>    // for  ostream_iterator
#include <vector>      // for vector
 
#include <examples.h>
 
 
int main ()
{
    // Typedef for convenience.
    typedef std::vector<short, std::allocator<short> > Vector;
 
    const Vector::value_type d1[] = { 1, 2, 3, 4 };
    const Vector::value_type d2[] = { 5, 6, 7, 8 };
 
    // Set up three vectors.
    Vector v1 (d1 + 0, d1 + 4), 
           v2 (d2 + 0, d2 + 4), 
           v3 (d2 + 0, d2 + 4);
 
    // Set up one empty vector.
    Vector v4;
 
    // Copy v1 to v2.
    std::copy (v1.begin (), v1.end (), v2.begin ());
 
    // Copy backwards v1 to v3.
    std::copy_backward (v1.begin (), v1.end (), v3.end ());
 
    // Use insert iterator to copy into empty vector.
    std::copy (v1.begin (), v1.end (), std::back_inserter (v4));
 
    // Copy all four vectors to cout.
    std:: ostream_iterator<Vector::value_type,
                           char,
                           std::char_traits<char> >
        out (std::cout, " ");
 
    std::copy (v1.begin (), v1.end (), out);
    std::cout << std::endl;
 
    std::copy (v2.begin (), v2.end (), out);
    std::cout << std::endl;
 
    std::copy (v3.begin (), v3.end (), out);
    std::cout << std::endl;
 
    std::copy (v4.begin (), v4.end (), out);
    std::cout << std::endl;
   
    return 0;
}