Issue 438 :: Haskell Weekly Newsletter

Welcome to another issue of Haskell Weekly! Haskell is a safe, purely functional programming language with a fast, concurrent runtime. This is a weekly summary of what’s going on in its community.

Unison Forall is a full day of talks dedicated to the Unison programming language and ecosystem. Whether you’re interested in web development or distributed systems, or if you’re just curious about the future of programming languages, this conference is a chance to explore the friendly and powerful world of Unison: a statically typed, functional language designed from the ground up to simplify modern software development.

The pipes and conduit streaming abstractions have a problem: despite having special-purpose bracketing operations they don’t finalize promptly in the presence of exceptions. Bluefin, by contrast, has two benefits: it can bracket its streams with general-purpose operations, and those brackets finalize promptly. What does “finalize promptly” mean? And why is it a problem to not finalize promptly? Read on to find out.

The JavaScript backend in GHC has a long history of various challenges. One of the most notable is the transition from GHC 8.x to 9.x. Significant work has been done up to today by the GHC team, and progress is still ongoing. Besides the obvious need to make the GHC JavaScript backend functional in general, some specific issues have been raised regarding its use in production, one of them being the size of the produced JavaScript bundles.

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