Haskell: The Bad Parts, part 2 (2020)

This page summarizes the projects mentioned and recommended in the original post on news.ycombinator.com

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  • ghc-proposals

    Proposed compiler and language changes for GHC and GHC/Haskell

    FYI there was a proposal for a "Haskell 2021 Language" Extensions (similar to Haskell 98 and 2010), which was approved. This enables a bunch of extensions (and I guess will become default): https://github.com/ghc-proposals/ghc-proposals/blob/master/p...

    That being said, while there are alternative preludes, I'm not sure how or when (or ever) the current prelude will be changed or replaced.

    In terms of language evolution, the community seems to focus on further extensions of the Type System (linear types, quicklook impredicativity, dependent types), where I think there is a bigger need in better tooling. Of course, there too, lots of things are happening, like haskell-language-server, ghc-debug etc. etc.

  • milewski-ctfp-pdf

    Bartosz Milewski's 'Category Theory for Programmers' unofficial PDF and LaTeX source

    Coming from a math background, once I had the syntax sorted and could write a few simple file parsers, “Category theory for programmers” helped me understand some of what the Haskell type system is trying to accomplish. (Endofunctors of the category of Haskell types). I didn’t and still don’t understand the template C++ in the book but still my favorite Haskell resource. Caveat: I just started learning this last year.


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  • rio-orphans

    A standard library for Haskell (by commercialhaskell)

    > Can we move to a better standard lib? Here Snoyman has put forward a great effort by releasing his classy-prelude, but iirc he also stopped using it.

    He mentioned https://github.com/commercialhaskell/rio in the 1st article, it's interesting, I wasn't aware of it. (I am using classy-prelude but I might try it out.)

  • semantic-source

    Parsing, analyzing, and comparing source code across many languages

  • cardano-node

    The core component that is used to participate in a Cardano decentralised blockchain.

    Depends your definition of "significance" but Cardano is written in Haskell, and its main smart contract language is also Haskell.


NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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