Usage I have two classes, which give me a counter in range based for loops (bit like a simple ranges v3 lib). // Usage with l-values std::initialize ...

I wanted to try to add a move assignment operator to my Mesh class below, knowing that a vector of Meshes appear as a field member in my Model class: ...

Say I have some expensive class X, and take this code: Which push_back is more efficient? In the first case, won't the NRVO be activated and preven ...

I need to centrally accumulate certain entity creations in my program into a container and I want to use the efficiency of std::move with a move const ...

I think at line 3 that str3 will steal str1, because std::string(std::string &&str) (or sth. like that) will be invoked. But the result is: ...

Am I correct thinking that str1 is in valid state now and is totally safe to use after assigning new value to it? ...

I have written this code, meaning that the lambda will own the unique pointer, but I also have to pass this lambda to other function to be called ther ...

I'm working on a function which makes a request to an API, pulls the data, and parses it before returning the data as a Vector of a particular type. B ...

The reason for the question is that I've seen code like this: auto fun(std::vector<Foo>&& v) { std::vector<Bar> w; for (a ...

I have this striped-down example of a timer that I'd like to be instantiable with any kind of callable. Is it advisable to precautionary move the call ...

I am planning to move some elements from a list to the target container(say vector) for further processing. Is it safe to use move_iterator for moving ...

I am working on a legacy application with a class named Point3D as shown below... This class is getting used in many places as vector<Point3D&lt ...

I used move semantics a la In the main I have: I realised only later that I erroneously called f_bar_mat in the body of my main after having tra ...

I think my understanding of rvalue references and move semantics has some holes in it. As far as I've rvalue references understood now, I could imple ...

In all standard containers like std::map or std::vector there is a move constructor and a move assignment to avoid copying. I want to build my own We ...

I was testing my own RAII pointer implementation that does some weird stuff (by design). To test it, I made a class that tracks constructors and destr ...

I'm a C++ newbie, and this is probably a stupid question to ask. I'm reading a book Data Structures and Algorithm Analysis in C++, where the implemen ...

I have a class that implements reference counting: It's sole data member is a pointer to an object containing an invasive reference count The "R ...

Assume, I have two functions that work with arguments that are vectors of different types: What if in some place of my code I want to pass the same ...

Consider the following C++20 code; assume T to be non-movable and non-copyable: struct Cell { Cell(T&& instance) : obj(std::move(instance ...