copy-constructor

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Conversion constructor with responsibility transfer

This is a follow up of this question. I need to implement a conversion operation to pass responsibility for a member object from one object to another. The conversion operation takes place in a class[详细]

2023-04-13 04:33 分类：问答
Why is copy constructor not being called in this code

So why is Copy constructor not being invoked in \"const Integer operator+(const Integer &rv)\" function. Is it because of RVO. If Yes what do I need to do to prevent it?[详细]

2023-04-13 01:12 分类：问答
Arguments for a copy method versus a copy constructor in Objective-C

I\'m relatively new to the world of Objective-C and have a class that I\'ve written to which I\'d like开发者_如何学Python to add the ability to create a copy.[详细]

2023-04-10 03:06 分类：问答
When I initialize a C++ container (such as a std::list) is the copy constructor called?

When I 开发者_如何学Goinitialize a STL container such as a list< vector<char> > using e.g. my_list.push_back(vector<char>(5000, \'T\')) is this copied after construction? Or does the[详细]

2023-04-09 04:20 分类：问答
Internal working of a vector in C++?

Im working on an exercise in C++ but im getting unexpected output I hope someone can explain. The exercise asked that I make a class called rock which has a default constructor, a copy constructor and[详细]

2023-04-06 19:32 分类：问答
Return value copying issue (to improve debug timing) -- What's the solution here?

The most interesting C++ question I\'ve encountered recently goes as follows: We determined (through profiling) that our algorithm spends a lot of time in debug mode in MS Visual Studio 2005 with fun[详细]

2023-04-06 15:16 分类：问答
C++ constructor calling and object creation

class Test{ public : int x; Test() { x = 0; cout<<"constructor with no arguments called"<<endl;[详细]

2023-04-06 02:39 分类：问答
Initializing class object-array

Is there a way to initialize an array like so: static const vec3d<long> XI[Q] = { vec3d<long>( 0, 0, 0 ),[详细]

2023-04-03 04:13 分类：问答
Copy constructor converts from const to non-const?

Consider the following : class A { public: int xx; A(const A& other) { cout << \"A cctor\" << endl;[详细]

2023-04-02 06:38 分类：问答
what does ' t ' denote in copy constructor?

#include <iostream> using namespace std; class tester { public: int a; tester( int x ) { a = x; } tester( tester &t ) {[详细]

2023-04-02 06:33 分类：问答