list1912.cpp

来自「teach yourself C++ in 21 days 第五版」· C++ 代码 · 共 30 行

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

template<class T>
class Print
{
  public:
     void operator()(const T& t)
     {
        cout << t << " ";
     }
};

int main()
{
   Print<int>   DoPrint;
   vector<int>   vInt(5);

   for (int i = 0; i < 5; ++i)
      vInt[i] = i * 3;

   cout << "for_each()" << endl;
   for_each(vInt.begin(), vInt.end(), DoPrint);
   cout << endl;

   return 0;
}