foreach.cpp

来自「很经典的书籍」· C++ 代码 · 共 25 行

//: C06:ForEach.cpp
// Use of STL for_each() algorithm
#include <algorithm>
#include <iostream>
#include "Counted.h"
using namespace std;

// Function object:
template<class T>
class DeleteT {
public:
  void operator()(T* x) { delete x; }
};

// Template function:
template <class T>
void wipe(T* x) { delete x; }

int main() {
  CountedVector B("two");
  for_each(B.begin(),B.end(),DeleteT<Counted>());
  CountedVector C("three");
  for_each(C.begin(), C.end(), wipe<Counted>);
} ///:~