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Effective C ++, 3rd edition, item 7: declare Destructors (destructor) as Vir in polymorphic base classes (polymorphism base class)

Item 7: declare Destructors (destructor) as virtual in polymorphic base classes (polymorphism base class) By Scott Meyers Translator: fatalerror99 (itepub's nirvana) Release: http://blog.csdn.net/fatalerror99/ There are many ways to get the time, so

C ++ inherits the calling sequence and virtual destructor of the destructor in the destructor.

C ++ inherits the calling sequence and virtual destructor of the destructor in the destructor. First, let's talk about the constructor. We all know that the constructor can call member variables, and the Child class in inheritance is to turn the

C # destructor (destructor) and finalizers (Finalizer) __ Functions

turn from: http://blog.csdn.net/liuning800203/article/details/6455226 Releasing resources with destructors Destructors are used to deconstruct instances of classes. 1 The destructor cannot be defined in the structure. Destructors can only be used

Effective C + + 2nd structure/destructor/assignment operation (1)-Reading notes

Chapter Review:The 1th chapter of effective C + + makes himself accustomed to c++-reading notesEffective C + + 2nd structure/destructor/assignment operation (1)-Reading notes"Effective C + +" 8th custom new and delete-reading notesArticle 05:

Declare the destructor of the polymorphism base class as a virtual function (Objective C ++)

Declare the destructor of the polymorphism base class as a virtual function. Now we want to consider a timer problem. First we create a base class named timekeeper, and then create various derived classes based on it, so that we can use different

Cannot throw an exception inside a destructor

From the syntax above, it is possible for destructors to throw exceptions, and C + + does not prevent destructors from throwing exceptions, but C + + does not recommend this practice, and it is dangerous to throw exceptions from

4.4 C + + virtual destructor

Reference: http://www.weixueyuan.net/view/6373.htmlSummarize:A constructor cannot be declared as a virtual function, and a destructor can be declared as a virtual function.After the destructor of the base class is declared as a virtual function, the

Analysis on the use of C ++ virtual destructor

In C ++, virtual constructor cannot be declared, but virtual destructor can be declared. Polymorphism means that different objects have different behavior characteristics for the same message. As the basis of Runtime polymorphism, virtual functions

A brief explanation of dynamic and Static Association of C + + and _c language of virtual destructor function

C + + static correlation and dynamic Association, C + + is how to achieve polymorphismIn real life, there are many examples of polymorphism. Let's analyze how people deal with polymorphism. For example, when a freshman is enrolled in a university,

C # Sharp experience-Part 5: constructor and destructor)

5. constructor and destructor Li Jianzhong (cornyfield@263.net), Nanjing University of Posts and Telecommunications) Index

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