What are some examples of using async in Haskell?

Can you give me some examples of using async in Haskell?

Sure! Haskell's async library allows you to run computations concurrently. For example, you can use async to run two tasks in parallel.

How do I install the async library?

You can install the async library using Cabal or Stack. Just add async to your project's dependencies.

Can you show me a simple code example?

Absolutely! Here's a simple example:

import Control.Concurrent.Async

main :: IO ()
main = do
    result1 <- async (putStrLn "Task 1")
    result2 <- async (putStrLn "Task 2")
    wait result1
    wait result2

What happens if one of the tasks fails?

If one of the tasks fails, the wait function will throw an exception. You can handle this using try from Control.Exception.