Get the latest tech news
Why Algebraic Effects?
By Jake Fecher 2025-05-21 Why Algebraic Effects Algebraic effects1 (a.k.a. effect handlers) are a very useful up-and-coming feature that I personally think will see a huge surge in popularity in the programming languages of tomorrow.
Exceptions are the easy example here, but just know this also applies to asynchronous functions with Future<T> values or other types that are usually some wrapped effect. Setting aside the cases when IO or print outs are redirected or used for mocking, these effects are usually handled in main automatically - so what benefit does it actually provide by making programmers mark these functions? The requirement to include all unhandled effects as part of the type signature of a function helps greatly when auditing the security of libraries.
Or read this on Hacker News