Member Avatar for Excizted

Hello.

I'm wondering if I'm duplicating this class by doing the following.

SimpleClass *point;
SimpleClass sc;
sc.somevalue = something;
point = new SimpleClass(sc);

This post is quite tiny, I'm not being lazy, but I couldn't think of anything else needed for this question.

Thanks :)

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  • Latest Post Latest Post by mrnutty
Member Avatar for Narue

>I'm wondering if I'm duplicating this class by doing the following.
I'm not sure what you mean by "duplicating this class". point will point to an object that's copy constructed using sc as the argument. Whether that's a good thing or not depends on how SimpleExample is implemented. It could end up being a shallow copy, which is bad.

Member Avatar for mrnutty

>>I'm wondering if I'm duplicating this class by doing the following.

Maybe. If inside the class definition contains some data members thats a pointer-to-someDataType. Then you need a deep copy. Otherwise, the pointer variable from the variable "point' with point to the same address as the pointer variable from the variable "sc", point = new SimpleClass(sc);

If inside your simpleclass, is all variables on stack, i.e does not use "new "to allocate memory from, then yes, it creates a "duplicate", i.e copies all values from the object"sc" to the object "point".

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