What are the best practices for using async in C++11?

What are the best practices for using async in C++11?

Some best practices include using std::async for task execution, managing exceptions properly, and avoiding shared state.

Can you explain how to handle exceptions with async?

Certainly! You can use future::get() to retrieve the result of an async operation, which will throw any exceptions that occurred.

What about performance considerations?

It's important to avoid excessive use of async, as it can lead to overhead. Measure performance and use it judiciously.

Are there any common pitfalls to watch out for?

Yes, common pitfalls include not managing the lifetime of shared resources and not synchronizing access to shared data.