How do I reserve capacity and shrink-to-fit with std::array?

In C++, `std::array` is a container that encapsulates fixed-size arrays. Unlike dynamic arrays like `std::vector`, `std::array` does not have the capability to change its size or manage memory dynamically. Therefore, you cannot reserve capacity or shrink it using `std::array` since its size is fixed at compile time.

If you are looking for a way to reserve capacity and shrink-to-fit behavior, you should consider using `std::vector`. However, if you still want to work with `std::array`, you must define its size at the point of declaration.

Example:

// Example of std::array declaration #include #include int main() { // Creating an std::array of size 5 std::array arr = {1, 2, 3, 4, 5}; // Displaying elements of the array for (const auto& elem : arr) { std::cout << elem << " "; } std::cout << std::endl; return 0; }

C++ std::array reserve capacity shrink-to-fit fixed-size arrays std::vector