What are C++ async and futures?

Can you explain what async and futures are in C++?

Sure! In C++, async is a function that runs a task asynchronously, while future is an object that holds the result of that task.

How do I use async and futures in my code?

You can use std::async to launch a task and get a std::future object that you can use to retrieve the result later.

What are some common use cases for async and futures?

Common use cases include performing I/O operations, parallel computations, and improving responsiveness in applications.

Are there any drawbacks to using async and futures?

Yes, potential drawbacks include increased complexity, difficulty in debugging, and the need for proper synchronization.