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c++ Programming Glossary: derivesWhy does C++ not let baseclasses implement a derived class' inherited interface? http://stackoverflow.com/questions/10464308/why-does-c-not-let-baseclasses-implement-a-derived-class-inherited-interface when you have a class that implements an interface and derives from a class that happens to have suitable methods that base..
How do I pass template parameters to a CRTP? http://stackoverflow.com/questions/11546478/how-do-i-pass-template-parameters-to-a-crtp 03 The implementation is then another class template which derives from the interface with both itself and the non type parameter..
Static vs dynamic type checking in C++ http://stackoverflow.com/questions/1347691/static-vs-dynamic-type-checking-in-c downcasting of polymorphic types assuming that Circle derives from Shape... Shape shape new Circle 50 Circle circle dynamic_cast..
How to define different types for the same class in C++ http://stackoverflow.com/questions/14232293/how-to-define-different-types-for-the-same-class-in-c having a specialisation that you actually instantiate that derives from it. Unfortunately that requires you to re implement all..
Lambda functions as base classes http://stackoverflow.com/questions/18432260/lambda-functions-as-base-classes not fully understand. Supose I have a struct Overload that derives from 2 template parameters and has a using F1 operator clause...
Deriving an abstract class from concrete class http://stackoverflow.com/questions/310408/deriving-an-abstract-class-from-concrete-class . Apple objects can be instantiated. Now someone comes and derives an abstract class Peach from Apple. It's abstract because it.. Now let's say we have a concrete class Berry . Someone derives an abstract class Tomato from Berry. It's abstract because it..
Should every class have a virtual destructor? http://stackoverflow.com/questions/353817/should-every-class-have-a-virtual-destructor object for the vptr . On the other hand if someone later derives from this class and deletes a derived class via a pointer to..
C++ cannot convert from base A to derived type B via virtual base A http://stackoverflow.com/questions/3747066/c-cannot-convert-from-base-a-to-derived-type-b-via-virtual-base-a of a simple hierarchy model is containment that if B derives from A then the B object will in fact contain a A subobject..
In C++, should I almost always use virtual inheritance? http://stackoverflow.com/questions/4543537/in-c-should-i-almost-always-use-virtual-inheritance bases all the time e.g. if A is virtual base of B and C derives from B it also have to initialize A itself . You have to use..
Understanding the vtable entries http://stackoverflow.com/questions/5712808/understanding-the-vtable-entries by request Let's say you have a derived class D that derives from a base class B1 . What happens when you try to cast a D.. expecting for a B1 . However what happens if D now also derives from B2 The pointer to the D vtable can't be both a valid B1..
Overriding static variables when subclassing http://stackoverflow.com/questions/594730/overriding-static-variables-when-subclassing private static B b public A GetA return b Notice that B derives from A here. Then void Derived paint this GetA ... share improve..
Where and why do I have to put the “template” and “typename” keywords? http://stackoverflow.com/questions/610245/where-and-why-do-i-have-to-put-the-template-and-typename-keywords I implemented this as a Russian doll i.e. Union T1 T2 T3 derives from UnionNode T1 UnionNode T2 UnionNode T3 void and UnionNode.. T1 UnionNode T2 UnionNode T3 void and UnionNode T Tail derives from Tail. The specialization UnionNode T void holds a void..
When should I use C++ private inheritance? http://stackoverflow.com/questions/656224/when-should-i-use-c-private-inheritance Cannot be instantiated Sealed can be instantiated. It derives from ClassSealer and can call the private constructor directly..
Subclass/inherit standard containers? http://stackoverflow.com/questions/6806173/subclass-inherit-standard-containers need to cut and paste all that work to a new class that derives from a USB class or a Telephony class. And now if you find a..
Order of calling constructors/destructors in inheritance http://stackoverflow.com/questions/7539282/order-of-calling-constructors-destructors-in-inheritance in main I create an instance of B int main B b Note that B derives from A and also has a field of type A . I am trying to figure..
Does several levels of base classes slow down a class/struct in c++? http://stackoverflow.com/questions/99510/does-several-levels-of-base-classes-slow-down-a-class-struct-in-c having several levels of base classes slow down a class A derives B derives C derives D derives F derives G ... Does multiple.. levels of base classes slow down a class A derives B derives C derives D derives F derives G ... Does multiple inheritance.. of base classes slow down a class A derives B derives C derives D derives F derives G ... Does multiple inheritance slow down..
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