pstashtest.cpp

来自「thingking in c++（C++编程思想） 各章节课后练习的答案」· C++ 代码 · 共 41 行

//: C13:PStashTest.cpp
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 2000
// Copyright notice in Copyright.txt
//{L} PStash
// Test of pointer Stash
#include "PStash.h"
#include "../require.h"
#include <iostream>
#include <fstream>
#include <string>
using namespace std;

int main() {
  PStash intStash;
  // 'new' works with built-in types, too. Note
  // the "pseudo-constructor" syntax:
  for(int i = 0; i < 25; i++)
    intStash.add(new int(i));
  for(int j = 0; j < intStash.count(); j++)
    cout << "intStash[" << j << "] = "
         << *(int*)intStash[j] << endl;
  // Clean up:
  for(int k = 0; k < intStash.count(); k++)
    delete intStash.remove(k);
  ifstream in ("PStashTest.cpp");
  assure(in, "PStashTest.cpp");
  PStash stringStash;
  string line;
  while(getline(in, line))
    stringStash.add(new string(line));
  // Print out the strings:
  for(int u = 0; stringStash[u]; u++)
    cout << "stringStash[" << u << "] = "
         << *(string*)stringStash[u] << endl;
  // Clean up:
  for(int v = 0; v < stringStash.count(); v++)
    delete (string*)stringStash.remove(v);
} ///:~