[Haskell-cafe] Haskell Weekly

Thu Jun 1 22:59:34 UTC 2017

> The plain text version is perfect.

Seconded. I'm already subscribed to the newsletter but the HTML
emails are quite painful to deal with in my setup and I would
very much appreciate a plain text version instead (or maybe a
subscription preference option to switch between the two).

Amin

Matthew Pickering <matthewtpickering at gmail.com> writes:

> Hi Taylor,
>
> Please keep posting this to this list. I think I missed the first 50
> editions of your well edited summaries!
>
> The plain text version is perfect.
>
> Matt
>
>
> On 1 Jun 2017 23:23, "Taylor Fausak" <taylor at fausak.me> wrote:
>
> Hello haskell-cafe! I am the Haskell Weekly editor. In the past, some
> people have expressed interest in receiving my newsletter on this
> mailing list. Is that something I should set up?
>
> If you're curious about Haskell Weekly, please check out the latest
> issue, which was published today:
> <https://haskellweekly.news/issues/57.html>
>
> I've also included issue 57 as plain text here. If you like what you
> see, head over to <https://haskelweekly.news> and subscribe!
>
> ---
>
> # Haskell Weekly
>
> ## Issue 57
>
> Welcome to another issue of Haskell Weekly! Haskell is a purely
> functional programming language that focuses on robustness, concision,
> and correctness. This is a weekly summary of what’s going on in its
> community.
>
> - Realizing Hackett, a metaprogrammable Haskell
>   <https://lexi-lambda.github.io/blog/2017/05/27/realizing-
> hackett-a-metaprogrammable-haskell/>
>   > Almost five months ago, I wrote a blog post about my new programming
> language, Hackett, a fanciful sketch of a programming language from a
> far-off land with Haskell's type system and Racket's macros. [...] Hackett
> is not only real, it's working, and you can try it out yourself!
>
> - Imperative Haskell
>   <http://vaibhavsagar.com/blog/2017/05/29/imperative-haskell/>
>   > Why don't we do this all the time, when Haskell is at least a
> serviceable imperative language? Because writing imperative programs is
> hard! They don't compose as well, have less useful type signatures, and are
> harder to reason about. Getting away from those things is why we have
> Haskell to begin with!
>
> - A Haskell cross compiler for Android
>   <https://medium.com/@zw3rk/a-haskell-cross-compiler-for-
> android-8e297cb74e8a>
>   > Finally launching and running the application on the device, we are
> greeted with "Hello from Haskell". While the utility of this application is
> certainly questionable it illustrates the essential steps required to
> build, link and run an Android application calling a native Haskell
> function.
>
> - Smart data with conduits
>   <https://mmhaskell.com/blog/2017/5/29/smart-data-with-conduits>
>   > If you're a programmer now, there's one reality you'd best be getting
> used to. People expect you to know how to deal with big data. The kind of
> data that will take a while to process. The kind that will crash your
> program if you try to bring it all into memory at the same time.
>
> - Wire is hiring a Software Backend Developer (Operations) in Berlin,
> Germany (ad)
>   <https://wire.softgarden.io/job/1022464?l=en>
>   > Wire is an open source, end-to-end encrypted messenger for personal and
> business use. For our development center in Berlin we are hiring two
> Backend Haskell Developers. As Software Developer Backend Operations you
> will maintain our infrastructure, ensuring that it runs 24/7. Check out our
> jobs at wire.com/jobs and our open source code on github.com/wireapp.
>
> - What we talk about when we talk about types
>   <https://joyofhaskell.com/posts/2017-05-31-is-vs-has.html>
>   > These dialogues somewhat pedantically dissect what we mean when we say
> a type is an instance of a type class or a type has an instance of a type
> class and why. Through the course of conversation, we touch on the nature
> of types, type constructors, and type classes, which led to us talking
> about math, set theory and category theory, and what they have to do with
> types and type classes.
>
> - The partial options monoid
>   <https://medium.com/@jonathangfischoff/the-partial-options-monoid-pattern-
> 31914a71fc67>
>   > Parsing options is not the hardest problem. However, if you do not
> create a pattern the rest of your team can follow, your program can become
> a tangled mess of random file reads, environment variable lookups and
> unpredictable defaulting. The Monoid class is a rock solid abstraction for
> combining options.
>
> - Playing with lens-aeson
>   <https://www.snoyman.com/blog/2017/05/playing-with-lens-aeson>
>   > That works, but it's far from inspiring. We're declaring a Color data
> type simply for the purpose of writing a type class instance. But it feels
> pretty heavyweight to have to declare a data type and make a type class
> instance for just one use site.
>
> ### Packages of the week
>
> Several interesting packages were announced this week. Instead of
> picking one to feature, all four are this week's packages of the week!
>
> - double-pendulum-simulation
>   <https://github.com/lotz84/double-pendulum-simulation>
>   Simulates and renders a double pendulum system.
>
> - legion
>   <https://github.com/aviaviavi/legion>
>   Implements a simple block chain server that synchronizes nodes over
>   the network.
>
> - prettyprinter
>   <https://github.com/quchen/prettyprinter>
>   Aims to end the Wadler/Leijen zoo dilemma by being a modern,
>   well-documented pretty printer.
>
> - sitepipe
>   <https://github.com/ChrisPenner/SitePipe>
>   Generates static sites with plain values and less magic.
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