?? ostacktest.cpp
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//: C15:OStackTest.cpp
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 2000
// Copyright notice in Copyright.txt
//{T} OStackTest.cpp
#include "OStack.h"
#include "../require.h"
#include <fstream>
#include <iostream>
#include <string>
using namespace std;
// Use multiple inheritance. We want
// both a string and an Object:
class MyString: public string, public Object {
public:
~MyString() {
cout << "deleting string: " << *this << endl;
}
MyString(string s) : string(s) {}
};
int main(int argc, char* argv[]) {
requireArgs(argc, 1); // File name is argument
ifstream in(argv[1]);
assure(in, argv[1]);
Stack textlines;
string line;
// Read file and store lines in the stack:
while(getline(in, line))
textlines.push(new MyString(line));
// Pop some lines from the stack:
MyString* s;
for(int i = 0; i < 10; i++) {
if((s=(MyString*)textlines.pop())==0) break;
cout << *s << endl;
delete s;
}
cout << "Letting the destructor do the rest:"
<< endl;
} ///:~
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