copy class

This article is from here, the original author Weibo MicrocaiConceptThere are two ways to copy objects: Shallow copy and deep copy. As the name implies, shallow copy, not copy the object itself, just copy the pointer to the object; Deep copy copies

Http://www.cnblogs.com/BlueTzar/articles/1223313.html -------------------------------------------------- C ++ copy constructor (deep copy, light copy) For common objects, copying between them is very simple, for example:Int A = 88;Int B

Copy constructor If the first parameter of a constructor is a reference to its own class type, and any additional arguments have default values, this constructor is a copy constructor. Copy constructor The first argument must be a reference type.

Before studying this chapter we have learned about the constructors and destructors of classes, and for ordinary types of objects, replication between them is simple, for example:int a = 10;int b =a;The object of the class you define is also an

Standard C + + class std::string memory sharing and Copy-on-write technology Chenhao 1. ConceptScott Meyers in "more effective C + +" an example, I wonder if you still remember? When you were still at school, your parents asked you not to watch TV,

copying objects in C + + is like cloning, which quickly replicates multiple identical objects with an existing object. In general, the following three scenarios will use replication for objects:(1) Create a new object and initialize the new object

C ++ Class Object's deep copy and shortest copy constructor-Linux general technology-Linux programming and kernel information. The following is a detailed description. Before learning this chapter, we have learned about class constructor and

Transferred from: https://www.zybuluo.com/MicroCai/note/50592ConceptThere are two ways to copy objects: Shallow copy and deep copy. As the name implies, shallow copy, not copy the object itself, just copy the pointer to the object; Deep copy copies

Deep copy and shallow copy this question is often asked in the interview, and in the actual development, as long as the slightest careless, there will be problems here. Especially for beginners, it is necessary for us to study this concept carefully.

Deep copy and shallow copy of IOS collectionArchivesiOSConceptThere are two ways to copy objects: Shallow copy and deep copy. As the name implies, shallow copy, not copy the object itself, just copy the pointer to the object; Deep copy copies the