stl/copy3.cpp

The following code example is taken from the book
The C++ Standard Library - A Tutorial and Reference
by Nicolai M. Josuttis, Addison-Wesley, 1999
© Copyright Nicolai M. Josuttis 1999


#include <iostream>
#include <vector>
#include <list>
#include <deque>
#include <set>
#include <algorithm>
using namespace std;

int main()
{
    list<int> coll1;

    // insert elements from 1 to 9 into the first collection
    for (int i=1; i<=9; ++i) {
        coll1.push_back(i);
    }

    // copy the elements of coll1 into coll2 by appending them
    vector<int> coll2;
    copy (coll1.begin(), coll1.end(),      // source
          back_inserter(coll2));           // destination

    // copy the elements of coll1 into coll3 by inserting them at the front
    // - reverses the order of the elements
    deque<int> coll3;
    copy (coll1.begin(), coll1.end(),      // source
          front_inserter(coll3));          // destination

    // copy elements of coll1 into coll4
    // - only inserter that works for associative collections
    set<int> coll4;
    copy (coll1.begin(), coll1.end(),      // source
          inserter(coll4,coll4.begin()));  // destination
}