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Re: Obtaining the name of the C++ class from the pointer
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From: |
Andreas Schallenberg |
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Subject: |
Re: Obtaining the name of the C++ class from the pointer |
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Date: |
Tue, 02 May 2006 10:03:07 +0200 |
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User-agent: |
KNode/0.10.2 |
Paul Pluzhnikov wrote:
> Andreas Schallenberg <no_reply@yahoo.com> writes:
>
>> X * ptr;
>> cout << "type is " << typeid(*ptr).name() << endl;
>
> Just a word of caution: if X doesn't have virtual functions,
> typeid(*ptr) will "answer" X even if "ptr" points to a subclass of X.
> ...
Good point!
It is wise to have at least the destuctor virtual
for the candidate classes. This is sufficient to make
the RTTI work, AFAIK.
RU,
Andreas