struct base
{
virtual ~base() { }
virtual base* clone() const = 0;
};
Virtual Constructor Idiom
Author
[C++]
Is there a more elegant way to do a copy of the object pointed by an abstract base class instead of using the Virtual Constructor Idiom?
Not that comes immediately to mind. (Oh, and there's very little reason for a clone() method to be pure virtual.) What do you feel is inelegant about this idiom?
Author
I simply thought there could be a way to achieve this without actually having to implement this clone method. By the way, I need the method to be pure virtual in cases of abstract base classes, since i can't call new on it.
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