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.
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 as
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
CallStackwith some magic built in properties. Notably, there’s a constraint you can write -
HasCallStack- that GHC will automagically figure out for you.
Trying to hire a Haskell developer? You should advertise with us!
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.