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24 Days of GHC Extensions: Thanks!
Wow, another year out! After 24 days of frantic blogging, Christmas is finally upon us, and I’d like to take a moment to send a huge thank you to this years guest posters. To recap, the following...
View ArticleAnother Approach to Default Function Parameters
Recently, there has been some new discussion around the issue of providing default values for function parameters in Haskell. First, Gabriel Gonzalez showed us his new optional-args library, which...
View ArticleAnnouncing a new set of high-level SDL2 bindings
It’s with great pleasure that on behalf of the haskell-game group, I’d like to announce the release of a new set of high-level bindings to the SDL library. SDL is a C library providing a set of...
View ArticleMonad transformers, free monads, mtl, laws and a new approach
If you’ve been following the hot topics of Haskell over the last few years, you’ll probably have noticed a lot of energy around the concepts of effects. By effects, we are generally talking about the...
View ArticleAnnouncing transformers-eff
In my last post, I spent some time discussing a few different approaches to dealing with computational effects in Haskell - namely monad transformers, free monads, and the monad transformer library. I...
View ArticleProviding an API for extensible-effects and monad transformers
I was recently working on a small little project - a client API for the ListenBrainz project. Most of the details aren’t particularly interesting - it’s just a HTTP client library to a REST-like API...
View ArticleSolving Planning Problems with Fast Downward and Haskell
In this post I’ll demonstrate my new fast-downward library and show how it can be used to solve planning problems. The name comes from the use of the backend solver - Fast Downward. But what’s a...
View ArticleWho Authorized These Ghosts!?
Recently at CircuitHub we’ve been making some changes to how we develop our APIs. We previously used Yesod with a custom router, but we’re currently exploring Servant for API modelling, in part due to...
View ArticleMonad Transformers and Effects with Backpack
A good few years ago Edward Yang gifted us an implementation of Backpack - a way for us to essentially abstract modules over other modules, allowing us to write code independently of implementation. A...
View ArticleThe list of monoids pattern
Hello! Yes, this blog is still alive. In this post, I want to share a small little pattern that I’ve found to have a surprisingly high quality-of-life improvement, and I call it the list of monoids...
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