In this post, we will see how to resolve How to restrict a class template parameter to a certain subclass? Question: This is what I am trying: C is a template parameter that is either SomeClass or SomeDerivedClass: How to ...

Question: I’m trying to define a static member variable outside the class definition. It works as intended. But the static_assert that I placed inside the class definition does not compile for some reason. Why? The error message is: Commenting out ...

Question: Basically, I want to allow the clients of the class Foo to define its static constexpr member variables using arbitrary values based on the template type argument they pass to it when instantiating Foo. Here is an MRE: Note ...

Question: Basically, I want to allow the clients of the class Foo to define its static constexpr member variables using arbitrary values based on the template type argument they pass to it when instantiating Foo. Here is an MRE: Note ...

Question: I have a class template that inherits the constructors of the base class template. (As for c++20) Is there a way to deduce the template arguments of the derived class from the constructor arguments of base? If I specify ...