Newsletter
Issue 368 2023-05-18
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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.
Featured
-
Bound by a Free-Monad-like Structure by Dennis Gosnell
This post explains a little background for
bound
, and then shows my own definition using the free-monad-like structure. -
Learn Contravariant in 5 minutes by Jason Shipman
There is another “mapping” typeclass out there -
Contravariant
- that we likely don’t bump into as often asFunctor
. -
Summer of Haskell 2023 Project Selections by Aaron Allen
Summer of Haskell 2023 is off to a great start and we have some exciting news to share! We received many quality proposals from which to choose and our mentors have made their selections.
-
Tidal 2.0 beatMode (TidalCycles vs TidalBeats?) by Alex McLean
I’ve been rewriting Tidal again for a while but resisting actually using it, mostly out of a weird sense of delayed gratification.
-
Working with Haskell CallStack by Matt Parsons
GHC Haskell provides a type
CallStack
with some magic built in properties. Notably, there’s a constraint you can write -HasCallStack
- that GHC will automagically figure out for you.
Jobs
Trying to hire a Haskell developer? You should advertise with us!
In brief
-
Haskell Foundation April 2023 Update by David Christiansen
-
Haskell GitHub Trust is for Other People’s Packages by James Brock
The Haskell GitHub Trust is new GitHub organization for community maintenance of Haskell packages.
-
Haskell in Production: CollegeVine by Gints Dreimanis
In this article, we interview Fyodor Soikin from CollegeVine — an online platform that connects high school students with college admissions guidance and mentorship.
-
New board members at the Haskell Foundation by Richard Eisenberg
It’s my pleasure to announce that the Haskell Foundation has selected 4 new members of our community to join our board.
-
New Hackage Server Features by Gershom Bazerman
Show & tell
-
automation-service by Dave Della Costa
automation-service is a tool for setting up simple-to-complicated home automations, like triggering lighting to go on when you enter a room, or reading from and responding to sensors — and much more.
-
unleash-client-haskell by Eirik Meland & Even Brenden
Unleash is an open-source feature flag management service. This is a client SDK for use with Haskell applications.
-
yes-browser by Hamza Maimoune
This is an experimental browser to explore the challenges posed by browsers and what they should be constituted of.