The ISO C++ Committee has closed the feature list for the next C++ standard ... the C++20 Synchronization library, and better threading. Contracts, on the contrary, have fallen out of the draft ...

Forthcoming update of C++ will include a standard library module named std. Attention of the ISO C++ Committee now turns to C++ 26. C++ 23, a planned upgrade to the popular programming language ...

According to modern C++, we shouldn't be using raw new and delete so that's why make_unique (a C++14 library function) is invoked in the example. Note, for simplicity I am not checking memory errors ...