rio-orphans
semantic-source
Our great sponsors
rio-orphans | semantic-source | |
---|---|---|
6 | 23 | |
828 | 8,858 | |
0.0% | 0.3% | |
0.0 | 9.1 | |
about 1 year ago | 29 days ago | |
Haskell | Haskell | |
MIT License | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
rio-orphans
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Haskell IHP Framework, from a Technical and Business Perspective
https://github.com/commercialhaskell/rio#language-extensions which is cited as an example in simplehaskell's page on recommendations.
- [ANN] text-display 0.0.1.0: A typeclass for user-facing output
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Haskell: The Bad Parts, part 2 (2020)
> 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.)
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Are similar effects system like in Scalas ex: Cats Effects, ZIO etc also available in Haskell?
rio
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Why exactly I want Boring Haskell to happen
It's worth mentioning that Snoyman's "Boring Haskell" is actually a fairly moderate position: if you look at his suggested list of language extensions, it's pretty broad (and fairly reasonable in my view).
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Haskell The Bad Parts Part 1
via ByteString was recommended by Snoyman in the post Beware of readFile (referenced in the Haskell: The Bad Parts, part 1 too). But this has got a disadvantage compared to Data.Text.IO combined with hSetEncoding. This might be a good time to update Beware of readFile, u/snoyberg.
semantic-source
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The Meaning of Monad in MonadTrans
One production example I know: GitHub code navigation is written in Haskell https://github.com/github/semantic
- Semantic: Parsing, analyzing, and comparing source code across many languages
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How to Get Started with Tree-Sitter
ah, easy. it's because support has not been added into https://github.com/github/semantic which is the tech that powers the GitHub UI. Adding support is pretty easy/mainly glue code [1] that imports the tree sitter API.
[1] https://github.com/github/semantic/blob/793a876ae45d38a6bd17...
- Scala community now has control over the official Scala grammar for tree-sitter 🎉
- 2022 State of Haskell Survey
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11 Companies That Use Haskell in Production
GitHub used Haskell for implementing Semantic, a command-line tool for parsing, analyzing, and comparing source code.
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What happened with GitHub's semantic project?
As far as engineering effort, you can read this GitHub comment for an overview of where we’d like to take the project in the future. The tl;dr here is that the open sum type view of the world made it very concise to fold over syntax trees (since such a view of data is ultimately unityped, recursion schemes Just Work), but the tradeoff thus associated—namely, that you have to parse a concrete syntax tree into an open-sum view (a complicated and painful-to-read process), that you can never really be sure how a given syntax tree is shaped, and that the types don’t help you nearly as much as they could—proved to be too onerous to deal with. Going forward, we’re generating syntax types from the AST once per target language, and working on an abstraction (probably via this generated code; I made five separate efforts at using Generics for this, and failed every time) that recovers at least some of the convenience of recursion schemes. It turns out that recursion schemes over a mutually recursive syntax tree—as pretty much every language’s syntax trees are, in practice—are pretty much an unsolved problem, especially when extended to languages like TypeScript, which have hundreds of different syntax nodes.
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Stack Graphs
Meanwhile their Tree-Sitter-based semantic parser[1] looks abandoned. There is even rotting for years pull request[2] adding support of the same stack graphs into it.
[1] https://github.com/github/semantic
[2] https://github.com/github/semantic/pull/535
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Cardano relying on Haskell is not bad at all
The semantic team at GitHub uses it for statically analyzing the dozens of languages that end up in GitHub repositories: https://github.com/github/semantic/blob/eaf13783838861fe5eb6cd46d59354774a8eb88d/docs/why-haskell.md
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7 Useful Tools Written in Haskell
Yesterday I was looking for some examples of projects using tree-sitter (which is C) when I found GitHub's semantic, used to analyze and compare source code, and written in Haskell: https://github.com/github/semantic/
What are some alternatives?
basic-prelude - An enhanced core prelude, meant for building up more complete preludes on top of.
diffsitter - A tree-sitter based AST difftool to get meaningful semantic diffs
time-warp
massiv - Efficient Haskell Arrays featuring Parallel computation
ghc-proposals - Proposed compiler and language changes for GHC and GHC/Haskell
refined - Refinement types with static checking
bytestring-progress - A Haskell library for tracking the consumption of lazy ByteStrings
cantor-pairing - Convert data to and from a natural number representation
ifcxt - constraint level if statements
Glean - System for collecting, deriving and working with facts about source code.
cond - Basic conditional operators with monadic variants.
jump - Jump start your Haskell development