Consider this code. I have defined a copy constructor for Person that will copy all data except for one, namely its DontCopy data member. But I can't ...
Consider this code. I have defined a copy constructor for Person that will copy all data except for one, namely its DontCopy data member. But I can't ...
Below is the simplified version of a class that I am trying to design I can not construct an instance d from the instance c due to the following er ...
I don't know what changed, but my VS IntelliSense during C++ coding suddenly started showing a different order of class constructors. I would expect ...
Consider the following class: And a simple factory method I want to compile with disabled copy elision, to see how many times the copy construct ...
Implementing a copy constructor deletes the default move constructor in C++. Only compiler generated copy and move constructors are trivial. Created ...
If my understanding is correct, the following declarations should both call the copy constructor of T which takes type of x as a parameter. But whe ...
(Been out of touch from cpp too long, wanted to brush up for the interview tomorrow). Was revising Deep Copy v/s Shallow Copy. Wrote the code: #incl ...
I have a class, which contains some allocated pointers (reduced to 1 in the example), and I would like not to have to deep copy when the copy operator ...
I'm seeking advice on how do I implement a copy constructor of an unknown derived type? Consider the following: I'm designing an app that will allow ...
I'm trying to create a pmr-allocated datastructure (compare code below). This however fails with an awful long error message and I can't quite track t ...
I rewrote my library based on polymorphic memory resources. I think they're amazing, however there are edge cases that are not really covered by the s ...
Suppose a C API provides an opaque struct with internal reference counting: struct Opaque { int data; int refcount; }; struct Opaque* opaque ...
I have the following program where I test the order of constructor and destructor calls and I was surprised by the output. https://godbolt.org/z/bf ...
I have a struct inside header file in C project. struct tgMethod { const char *name; const enum tgAccessModifier access; const enum tgMet ...
I've bumped into something strange with C++ copy and move constructors, here when passing to the lambda expression both the copy and move constructors ...
In the following program foo function is executed asynchronously and its argument of type A is copied inside async by value: Despite copy-construct ...
I have following c++ code. You can see I created a struct with a constructor and a copy constructor. Can someone explain me why copy constructor is be ...
I'm just learning C++. I want to create a fighting-text game. In the beginning, I created fighters. Then I ask the player to choose a fighter and I cr ...
I want to write a copy constructor for the Plane class. Need your help to write a copy constructor for class Plane. Do I also need to change someth ...
I am a newcomer to learning C++. I just tried to run the following code in vs code, but it reported an error The error is cannot bind non-const lva ...