gridptrtest.cpp

来自「C++高级编程这本书所附的源代码」· C++ 代码 · 共 26 行

#include <iostream>
using namespace std;

#include "GridPtr.h"

int main(int argc, char** argv)
{
  Grid<int*> psGrid(2, 2); // Uses the partial specialization for pointer types

  int x = 3, y = 4;
  psGrid.setElementAt(0, 0, &x);
  psGrid.setElementAt(0, 1, &y);
  psGrid.setElementAt(1, 0, &y);
  psGrid.setElementAt(1, 1, &x);

  Grid<int*> psGrid2(psGrid);
  Grid<int*> psGrid3;
  psGrid3 = psGrid2;

  const Grid<int*>& psGrid4 = psGrid2;
  cout << psGrid4.getElementAt(1, 1);
  //  psGrid4.setElementAt(1, 1, &x);

  Grid<int> myIntGrid; // Uses the non-specialized grid
}