Hi Eljay,
I know that design wise the copy constructor and assignment operator are not
correct.
Actually, I am not writing the code for application but trying some test
case to understand C++ better.
The original program that I posted was correct in terms of C++ standards, it
came out to be a bug of GCC version 3.4.6.
When I tried the same on GCC version 4.3 it executed as expected.
Thanks for the help.
Regards,
Mustafa
John (Eljay) Love-Jensen wrote:
>
> Hi Mustafa,
>
>> Please consider the following program:
>>
>> #include <iostream>
>> using namespace std;
>> class A
>> {
>> public:
>> A ()
>> {
>> cout << "constructor" << endl;
>> }
>> A (A &a)
>> {
>> cout << "copy constructor" << endl;
>> }
>> A operator = (const A &a)
>> {
>> cout << "= operator" << endl;
>> }
>> };
>> int main()
>> {
>> A a;
>> A b;
>> b = ( b = a );
>> }
>
> Your "copy constructor" is not an appropriate copy constructor.
>
> Change it to:
>
> A(A const& a)
> {
> cout << "copy constructor" << endl;
> }
>
> Also, your assignment operator is not an appropriate assignment operator.
>
> Change it to:
>
> A const& operator = (A const& a)
> {
> cout << "= operator" << endl;
> return *this;
> }
>
> HTH,
> --Eljay
>
>
>
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