Message-ID: <003201c13a3f$053b2f40$aa7ba8c0@fuego>
From: "Gorden" <gorden AT ms9 DOT url DOT com DOT tw>
To: <djgpp AT delorie DOT com>
References: <Pine DOT SUN DOT 3 DOT 91 DOT 1010910090923 DOT 18194E-100000 AT is>
Subject: Can You help me about djgpp with c++
Date: Tue, 11 Sep 2001 05:24:47 +0800
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Reply-To: djgpp AT delorie DOT com

I Buy a book (Teach Yourself C++, 3rd Edition By Herbert Schildt)  inside
have a C++ smaple

#include <iostream.h>
#include <conio.h>

class samp
{
  private:
    int i;

  public:
     samp(void)   { cout << "constructor" << '\n'; }
    ~samp(void)   { cout << "destructor " << '\n'; }
    void set(int n) {  i = n ;  }
    int  get(void ) { return i; }

};

int test(samp o)
{
  return o.get() * o.get();
}

void main(void)
{
  clrscr();

  samp o;
  o.set(10);
  cout << test(o) << '\n';
}

The Book have result is
constructor
destructor
100
destructor

in borland c++ 3.01 the result is
constructor
destructor
100
destructor

But in djgpp the result is
constructor
destructor
100
destructor
destructor

Why in djgpp 3 times call destructor, I try compile on borland C++ 3.01 have
2 times call destructor
Is djgpp or gpp error ??????????