Have fun with g++

Any comments: mail me

Source

#include <iostream>
#include <string>

class Klasse {
  public:
  Klasse(const Klasse & copy)
  {
    std::cout << "copy constructor" << std::endl;
    str = copy.str;
  };
  Klasse()
  {std::cout << "default constructor" << std::endl; };
  ~Klasse()
  { std::cout << "destructor" << std::endl; };

  void operator=(const Klasse & copy)
  {
    std::cout << "copy operator" << std::endl;
    str = copy.str;
  };

  std::string str;
};

Klasse dressmeup()
{
  std::cout << "in dressmeup()" << std::endl;
  Klasse maklasse;
  maklasse.str = "42";
  std::cout << "out dressmeup()" << std::endl;
  return maklasse;
}

int main()
{
  std::cout << "dressmeup call()\n";
  Klasse laklasse = dressmeup();
  std::cout << "str=" << laklasse.str << std::endl;
  std::cout << "leaving" << std::endl;
}

g++ 2.95

thomas@athlon:~$ g++ --version
2.95.4
thomas@athlon:~$ g++ test.cpp -o testcpp
thomas@athlon:~$ ./testcpp
dressmeup call()
in dressmeup()
default constructor
out dressmeup()
copy constructor
destructor
str=42
leaving
destructor
thomas@athlon:~$

g++ 3.1

thomas@athlon:~$ g++-3.1 --version
g++-3.1 (GCC) 3.1.1 20020606 (Debian prerelease)
Copyright (C) 2002 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

thomas@athlon:~$ g++-3.1 test.cpp -o testcpp
thomas@athlon:~$ ./testcpp
dressmeup call()
in dressmeup()
default constructor
out dressmeup()
str=42
leaving
destructor
thomas@athlon:~$