Old problem with performance

[Weed]

Michel Fortin пишет:
> On 2009-02-08 09:30:08 -0500, Weed <resume755 at mail.ru> said:
> 
>> Let's assume, polymorphism is necessary to these objects
> 
> Polymorphism doesn't work very well while passing objects by value, even
> in C++. This is called the slicing problem.
> <http://stackoverflow.com/questions/274626/what-is-the-slicing-problem-in-c>
> 
> 
> I think D does a good job at avoiding that problem.
> 

By performance loss
:(