inserts.cpp

一本很好的C++学习的丛书！初学者必看的

// inserts.cpp -- copy() and insert iterators
#include <iostream>
#include <string>
#include <iterator>
#include <vector>

int main()
{
    using namespace std;
    string s1[4] = {"fine", "fish", "fashion", "fate"};
    string s2[2] = {"busy", "bats"};
    string s3[2] = {"silly", "singers"};
    vector<string> words(4);
    copy(s1, s1 + 4, words.begin());
    ostream_iterator<string, char> out(cout, " ");
    copy (words.begin(), words.end(), out);
    cout << endl;

// construct anonymous back_insert_iterator object
    copy(s2, s2 + 2, back_insert_iterator<vector<string> >(words));
    copy (words.begin(), words.end(), out);
    cout << endl;

// construct anonymous insert_iterator object
    copy(s3, s3 + 2, insert_iterator<vector<string> >(words, words.begin()));
    copy (words.begin(), words.end(), out);
    cout << endl;

    return 0; 
}