Compiles and core dumps

["Bruce Eckel" <Bruce at EckelObjects dot com>]

This compiles fine, but core dumps when you run it (RedHat Linux 5.2,
Reading specs from
/usr/local/lib/gcc-lib/i586-pc-linux-gnu/egcs-2.92.33/specs
gcc version egcs-2.92.33 19981226 (gcc2 ss-980609 experimental)


//: C20:StreamIt.cpp
// From Thinking in C++, 2nd Edition
// at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
// Iterators for istreams and ostreams
#include <iostream>
#include <fstream>
#include <vector>
#include <string>
using namespace std;

int main() {
  ifstream in("StreamIt.cpp");
  istream_iterator<string> init(in), end;
  ostream_iterator<string> out(cout, "\n");
  vector<string> vs;
  copy(init, end, back_inserter(vs));
  copy(vs.begin(), vs.end(), out);
  out = vs[0];
  out = "That's all, folks!";
} ///:~

=============================
Bruce Eckel    http://www.BruceEckel.com
Contains free electronic books: "Thinking in Java" & "Thinking in C++ 2e"