You can use this BankAccount class in your main.cpp or any other source file in your project.

// Deposit money into the account void deposit(double amount);

This is why Microsoft merges them. The "Universal C Runtime" (UCRT) was introduced in 2015, and everything from 2015 to 2022 uses the same core architecture.

| Feature | Initial 2019 | By 2021 | |---------|--------------|---------| | C++17 (full) | 95% | – all core language and library features | | C++20 (core) | Coroutines, <=> (spaceship) partial | Full coroutines, constexpr dynamic allocation, std::format , std::ranges (experimental) | | /std:c++20 flag | Not available | Fully supported (from v16.10) | | /std:c++latest | C++20 draft | C++23 preview (e.g., std::expected , std::mdspan ) |