Virtual functions should not be used excessively - Why ?

Posted by GG on Stack Overflow See other posts from Stack Overflow or by GG
Published on 2010-06-16T04:57:30Z Indexed on 2010/06/16 5:02 UTC
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I just read that we should not use virtual function excessively. People felt that less virtual functions tends to have fewer bugs and reduces maintenance.

I'm not able to get what kind of bugs and disadvantages can appear due to virtual functions.

Thanks,

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