I am trying to write a graphics application in C++. It currently uses OGRE for display, but I\'d like it to work with Irrlicht or any other engine, even a custom rendering engine which supports my nee
We always declare a pure virtual function as: virtual void fun () = 0 ; I.e., it is always assigned to 0.
This question already has answers here: Can an abstract class have a constructor? (22 answers) 开发者_如何学JAVAClosed 9 years ago.
This question开发者_StackOverflow中文版 already has answers here: Closed 9 years ago. Possible Duplicate:
This question already 开发者_如何学JAVAhas answers here: When to use an interface instead of an abstract class and vice versa?
I would like to know what purpose开发者_开发知识库 a constructor for an abstract class serves; as we do not instantiate abstract classes, why would we ever need such a constructor?there will be times
I\'ve successfully loaded a C++ plugin using a custom plugin loader class.Each plugin has an extern \"C\" create_instance function that returns a new instance using \"new\".
I develop CHDataStructures, a library of Cocoa data structures to supplement those in Foundation. It includes a fair number of classes (stacks, queues, and dequeues) that share common implementation d
As you can see in the code below, I have an Abstract Base Class \"HostWindow\", and class that derives from it \"Chrome\". All the functions are implemented in Chrome. The issue is, I can\'t call func
I want to create a class that can only be inherited, for that i know it should be made abstract. But now th开发者_StackOverflow中文版e problem is that i want to use functions of that class without mak