Haskell Weekly


Issue 215 2020-06-11

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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.


  • New Developer Economics survey: what’s your favorite programming language? (ad)

    In 2019, 8.4M developers worldwide used Python but how about Haskell? What will change in 2020 and beyond? We want to know! Take this survey and share your views about the most important programming languages. You may win one out of $15,000 worth of prizes! Open until August 10th. Start now!

  • ZuriHac 2020 by Zürich Friends of Haskell

    Holding an event for 500 people in a physical location is clearly not an option this year. Instead, we are happy to inform you that the hackathon will take place as an online event.

  • Choosing an HTML library in Haskell by Veronika Romashkina

    It was tough to choose among them though, so I decided to quickly write this post with my evaluation of all libraries I tried.

  • Color theory by David Himmelstrup

    This is not about color theory, though, but rather the technical details involved with writing and rendering a fairly long animation in Haskell.

  • Haskell at Symbiont: Flexible Tests Selection by Eric Torreborre

    In this post, we focus on one testing library, called tasty, and how to make it a little bit more flexible.

  • Hoogle Searching Overview by Neil Mitchell

    In this post I’ll go through three parts – what the data file looks like, how we generate it, and how we search it.

  • Implementing HTTP/3 in Haskell by Kazu Yamamoto

    This article explains insights which I found through the implementation activities of QUIC and HTTP/3 in Haskell.

  • Making the most of Cabal by Luke Lau

    Multiple GHC versions, Snapshots, Freezing, Local repositories, Source repository packages, Vendoring, Scripts, Haddocks, and Hoogle.

  • The Pain Points of Haskell: A Practical Summary by Alex Dixon

    These are a product of my own experience and that of some of my good friends at varying levels of Haskell education and practise.

  • Real-time monitoring of Fastly metrics with the Elastic Stack and Haskell by Tyler Langlois

    Keeping an eye on the performance and behavior of our CDN is important to ensure we’re operating at the level we expect.


  • Interos is Hiring Full Stack Haskell Software Engineers (ad)

    At Interos, we are disrupting the way Fortune 500 companies and government agencies identify and respond to risk within their supply chains. We deliver the data and insights to business leaders that help them identify, visualize and understand the ripple effects that could impact their supply chains, before they happen. Recently funded by Kleiner Perkins and pivoting to an automated solution, Interos is in essence, a start-up SaaS environment.

Trying to hire a Haskell developer? You should advertise with us!

In brief

Show & tell

  • fakedata by Sibi Prabakaran

    This library is a port of Ruby’s faker. It’s a library for producing fake data such as names, addressess and phone numbers.

Call for participation