Async Exceptions in Haskell, and Rust

Before getting started: no, there is no such thing as an async exception in Rust. I'll explain what I mean shortly. Notice the comma in the title :). GHC Haskell supports a feature called asynchronous (or async) exceptions. Normal, synchronous exceptions are generated by the currently running code from doing something like trying to read a file that doesn't exist. Asynchronous exceptions are gener