In this post, we will see how to resolve CRTP vs. virtual function as an interface or mixin Question: I wonder if there is any benefit of using CRTP over virtual function polymorphism if I never invoke the function from ...
Question: I have a base class and many derived classes, defined in the following way: There are many similar derived classes of the same base class that share a similar structure. I have a generator that keeps generating BaseClass objects, ...
Question: I’m getting a warning from ReSharper about a call to a virtual member from my objects constructor. Why would this be something not to do? Best Answer: When an object written in C# is constructed, what happens is that ...
Question: I’m learning C++ and I’m just getting into virtual functions. From what I’ve read (in the book and online), virtual functions are functions in the base class that you can override in derived classes. But earlier in the book, ...
Question: What is the difference between an abstract method and a virtual method? In which cases is it recommended to use abstract or virtual methods? Which one is the best approach? Best Answer: An abstract function cannot have functionality. You’re ...
Question: This may be a total obvious error for some, but I can’t seem to find out why this segmentation fault happens. I do understand that segmentation faults occur when accessing an address that my program should not access. First, ...
Question: I’m struggling to find the right answer on below question on the internet. I’m not a native C++ programmer and have more knowledge of OOP programming in PHP, Pascal, and JavaScript, but i can manage. I want to create ...
Question: Consider the following snippet of code: The above code will print the following: but I don’t understand why printImpl private function is accessible from the base’s print function. In my understanding this pointer implicitly passed to the print function ...
Question: The fllowing questions are: p->test() should not work after b is destroyed. However, the code is running without any issue, the dynamic binding still works; when the destructor of A is defined, the dynamic binding doesnot work anymore. What ...