Performance & Memory Considerations
This module provides a comparison of std::any with std::variant and std::optional evaluating based on efficiency and memory allocations.
We'll cover the following...
std::any looks quite powerful, and you might use it to hold variables of variable types… but you
might ask what the price is for such flexibility.
The Main Issue: Extra Dynamic Memory Allocations.
std::variant and std::optional don’t require any extra memory allocations but this is because
they know which type (or types) will be ...