typeid

typeid

[Evgenii B. Rudnyi]

The output of the program 

#include <typeinfo>
#include <iostream>

class test {};

class long_test {};

int main()
{
  test a;
  long_test b;
  cout << typeid(a).name() << endl;
  cout << typeid(b).name() << endl;
  return 0;
}

under the original gcc in the Cygwin B20.1 and under gcc 2.95.2
(Mumit Khan) is as follows

4test
9long_test

where there is a number (number of bytes in the name, as far as I 
understand) before a class name.

Is it a feature or a bug?

Evgenii Rudnyi
-- 
Chemistry Department     rudnyi@comp.chem.msu.su
Moscow State University  http://www.chem.msu.su/~rudnyi/
119899 Moscow            +7(095)939 5452, fax+7(095)932 8846,+7(095)939 1205
Russia

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Re: typeid

[Mumit Khan]

On Sat, 15 Jan 2000, Evgenii B. Rudnyi wrote:

> #include <typeinfo>
> #include <iostream>
> 
> class test {};
> 
> class long_test {};
> 
> int main()
> {
>   test a;
>   long_test b;
>   cout << typeid(a).name() << endl;
>   cout << typeid(b).name() << endl;
>   return 0;
> }
> 
> under the original gcc in the Cygwin B20.1 and under gcc 2.95.2
> (Mumit Khan) is as follows
> 
> 4test
> 9long_test
> 
> where there is a number (number of bytes in the name, as far as I 
> understand) before a class name.
> 
> Is it a feature or a bug?

Feature. See the C++ standard for more information on what compilers
are required to produce (hint: unique names, but not necessarily what 
you would like to see).

Please follow up in a C++ specific forum if you have more questions.

Regards,
Mumit



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