Haskell Weekly


Issue 248 2021-01-28

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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.


  • Lambda Days 2021 (ad)

    Check out @LambdaDays - a vibrant event focused on functional programming and its growing community. With daily updates on their line-up they have exciting news for anyone interested Haskell, but also Scala, Erlang, Elixirlang, Clojure and more!

    Note: number of Early Bird tickets is limited, book your online seat now to enjoy 4 days of amazing virtual experience: over 50 talks, Ask Me Anything Session with Speakers, Round Table Discussions, online quiz, chats and more.

  • Building a Passphrase Generator in Haskell by Mathias Jean Johansen

    In this blog post, I will elaborate on how this method of generating passphrases works and how it can be implemented in Haskell.

  • Haskell ghost knowledge; difficult to access, not written down by Baldur Blöndal

    What ghost knowedge is there in Haskell?

  • Maybe Either by Haskell Weekly Podcast

    Is Maybe problematic? Well, maybe. Robert Peszek thinks that Maybe is overused. Cameron Gera and Taylor Fausak break it down and consider alternatives.

  • Seeking the reasons for segfaults of a Haskell program by Kazu Yamamoto

    Many Haskellers would be surprised at this kind of segfaults because it is hard to cause segfaults in normal Haskell programming.

  • Stack Governance by Michael Snoyman

    A few months back I wrote about the Haskell Foundation and some of my plans with it. Earlier than that, I also spoke about my thoughts on transparency.


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

In brief

Show & tell

  • chart-svg version 0.2.0 by Tony Day

    I am pleased to announce a major release of chart-svg. 0.2 now has experimental reanimate support, and is otherwise a sharper, better documented chart library, focused on svg production.

  • dep-t and dep-t-advice: spruce up your records-of-functions! by Daniel Diaz

    I wanted to show two small packages I’ve been working on called dep-t and dep-t-advice. They provide a variant of ReaderT specialized for the record-of-functions idiom.

Call for participation