virtual-functions
Use-cases of pure virtual functions with body?
I recently came to know that in C++ pure virtual fun开发者_开发百科ctions can optionally have a body.[详细]
2022-12-26 13:30 分类:问答How to override virtual function in good style? [C++]
guys I know this question is very basic but I\'ve met in few publications (websites, books) different style of override virtual function. What I mean is: if I have base class:[详细]
2022-12-23 09:18 分类:问答virtual function issue
I am using native C++ with VSTS 2008. A quick question about virtual function. In my sample below, any differences if I d开发者_运维问答eclare Foo as \"virtual void Foo()\" or \"void Foo()\" in class[详细]
2022-12-22 10:18 分类:问答overriding protected internal with protected!
This is an extension for this question asked an hour ago. We cannot modify the access modifiers, when overriding a virtual method in derived class. Consider Control class in System.Web.UI namespace[详细]
2022-12-22 07:28 分类:问答Why do we need virtual functions in C++?
I\'m learning C++ and I\'m just get开发者_开发问答ting 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[详细]
2022-12-22 06:25 分类:问答Can a class member function template be virtual?
I have heard that C++ class member function templates can\'t be virtual.Is this true? If th开发者_Go百科ey can be virtual, what is an example of a scenario in which one would use such a function?Tem[详细]
2022-12-22 00:11 分类:问答Exception specification when overriding a virtual function
Consider the following code: class A { public: virtual void f() throw ( int ) { } }; class B: public A { public:[详细]
2022-12-21 21:27 分类:问答Are there cases where a class declares virtual methods and the compiler does not need to use a vptr?
I was wondering if there is a possible optimization where the compiler does not need to assign a vptr to an instantiated object even though the object\'s type is a class with virtual methods.[详细]
2022-12-21 11:48 分类:问答Detecting a misspelt virtual function
I\'ve been caught by this problem more than once: class A{ public: virtual ~A() {} virtual int longDescriptiveName(){ return 0; }[详细]
2022-12-19 12:56 分类:问答Virtual Table C++
I read a lot of people writing \"a virtual table exists for a class that has a virtual function declared in it\".[详细]
2022-12-19 05:23 分类:问答