hierarchical-free-monads-the-most-developed-approach-in-haskell
ghc-proposals
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hierarchical-free-monads-the-most-developed-approach-in-haskell
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Monthly Hask Anything (May 2021)
Thanks for this illuminating reply. I agree that separation of concerns is very valuable, and that the effect frameworks I've mentioned in my question are better than mtl at it. However, would you agree that separation of concerns can also be achieved by other means that these effects frameworks, i.e. using the so-called tagless final style or other blends of free monads, such as for instance hierarchical free monads?
ghc-proposals
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An alternative front end for Haskell?
> I think Haskell needs a way to graduate (or retire) language extensions
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Or patterns proposal: Prefix signalling or just infix?
Additionally, while this proposal is focused on the simple implementation and so in the current proposal or patterns do not bind any variables as per #522, if we do get settled on syntax and then later wish to expand to allow binding variables as in #43, then the syntax is again clean and discoverable.
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Monthly Hask Anything (May 2023)
Yeah, a relatively natural thing would be to be able to opt-in to having the HasField instances be available in all contexts. The (not yet implemented, but accepted) "Modifiers" GHC proposal might be nice for that.
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Is there any way to build a simple additive prelude?
The local modules proposal imo is excellent as-is.
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Interview and AMA with Simon Peyton Jones
Why would you drop TypeFamilies? It seems fairly popular, given that it was just one vote short of getting added to GHC2021. Do you consider it a less-ideal compromise, that is subsumed by your second proposal (Core with GRTT)?
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Amendmend proposal: Changed syntax for Or patterns
as syntax is contentious a topic as ever, David (the main proposal author) and I would like to invite you to give your input on https://github.com/ghc-proposals/ghc-proposals/pull/585, where we propose to change the syntax of the accepted proposal #522 introducing Or patterns. In particular, we'd like to know
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MSc Dissertation: Comprehending Pure Functional Effect Systems
This looks great, congratulations on completing it! I assume you didn’t get an opportunity to evaluate the delimited continuations based eff library? It would’ve been nice to see Cont included as one of the effects covered, though perhaps not available in all the systems you looked at? Maybe some future work.
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Trouble understanding function import in Haskell
I do hope qualified exports are available someday: https://github.com/ghc-proposals/ghc-proposals/pull/283
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{-# WARNING #-} for Data.List.{head,tail} in future GHC 9.8
Right. Being able to disable "custom type warnings" at use sites was part of an earlier proposal (https://github.com/ghc-proposals/ghc-proposals/pull/454) but it ended up being shelved.
- Foldr type level implementation
What are some alternatives?
effet - An effect system based on type classes, written in Haskell.
haskell-language-server - Official haskell ide support via language server (LSP). Successor of ghcide & haskell-ide-engine.
ihp - 🔥 The fastest way to build type safe web apps. IHP is a new batteries-included web framework optimized for longterm productivity and programmer happiness
julia - The Julia Programming Language
rio-orphans - A standard library for Haskell
hoogle - Haskell API search engine
ghc - Mirror of the Glasgow Haskell Compiler. Please submit issues and patches to GHC's Gitlab instance (https://gitlab.haskell.org/ghc/ghc). First time contributors are encouraged to get started with the newcomers info (https://gitlab.haskell.org/ghc/ghc/wikis/contributing).
frp-zoo - Comparing many FRP implementations by reimplementing the same toy app in each.
cardano-node - The core component that is used to participate in a Cardano decentralised blockchain.
Cabal - Official upstream development repository for Cabal and cabal-install
idris - A Dependently Typed Functional Programming Language
kesh - A simple little programming language that could one day compile to JavaScript.