backinsertiterator.cpp

来自「C++高级编程这本书所附的源代码」· C++ 代码 · 共 40 行

#include <algorithm>
#include <functional>
#include <iterator>
#include <vector>
#include <iostream>

using namespace std;

// Function template to populate a container of ints.
// The container must support push_back().
template<typename Container>
void populateContainer(Container& cont)
{
  int num;

  while (true) {
    cout << "Enter a number (0 to quit): ";
    cin >> num;
    if (num == 0) {
      break;
    }
    cont.push_back(num);
  }
}

int main(int argc, char** argv)
{
  vector<int> vectorOne, vectorTwo;
  populateContainer(vectorOne);

  back_insert_iterator<vector<int> > inserter(vectorTwo);
  remove_copy_if(vectorOne.begin(), vectorOne.end(), inserter,
		 bind2nd(equal_to<int>(), 100));

  copy(vectorTwo.begin(), vectorTwo.end(), ostream_iterator<int>(cout, " "));
  cout << endl;

  return (0);
}