DefendTheKing
reactive-banana
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| DefendTheKing | reactive-banana | |
|---|---|---|
| 1 | 5 | |
| 9 | 520 | |
| - | - | |
| 0.0 | 5.2 | |
| almost 9 years ago | 3 months ago | |
| Haskell | Haskell | |
| LicenseRef-GPL | BSD 3-clause "New" or "Revised" License |
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DefendTheKing
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How was your study routine to become good at haskell?
In COVID I polished and released my Python implementation of the game which I actually did years before the Haskell one, mainly because it kept working while my Haskell implementation bit-rotted due to my choice to use the library GLUT which has since stopped working.
reactive-banana
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Haskell, JS, and WebDev?
As I grew up on a Macintosh, I was always interested in graphical user interfaces. In my free time, I'm currently working on refreshing my reactive-banana library so that it will hopefully work well with the upcoming JavaScript backend. (The library relies on a few non-trivial garbage collector features, which were not implemented in GHCJS a decade ago. Essentially, I ended up with a program that gave different results, depending on whether it was compiled with GHC native or with GHCJS. 😅)
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Any haskell-like languages with native FRP?
Another FRP implementation that I think is quite simple is reactive-banana. Heinrich recently refactored the module hierarchy to stratify it based on low-level, mid-level and high-level abstractions: https://github.com/HeinrichApfelmus/reactive-banana/tree/master/reactive-banana/src/Reactive/Banana/Prim
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Applicatives should usually implement Semigroup and Monoid
I agree! Having foldMap be available in a monadic context is a big win - here's an example of me asking for it in reactive-banana, along with a motivating example - https://github.com/HeinrichApfelmus/reactive-banana/issues/222. Library authors, please consider adding these instances - your users will thank you!
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How to prevent a deadlock in reactive-banana with event-switching? (Exception: thread blocked indefinitely in an MVar operation)
There are some examples that also use event-switching, like https://github.com/HeinrichApfelmus/reactive-banana/blob/master/reactive-banana-wx/src/BarTab.hs , which also seems to use execute. They use <$ though instead of <$>:
What are some alternatives?
Yampa - Functional Reactive Programming domain-specific language for efficient hybrid systems
rhine - Haskell Functional Reactive Programming framework with type-level clocks
dunai - Classic FRP, Arrowized FRP, Reactive Programming, and Stream Programming, all via Monadic Stream Functions
reactive-banana-sdl2 - reactive banana to sdl2 bindings
euphoria - Dynamic network FRP with events and continuous values
reflex-dom - Web applications without callbacks or side-effects. Reflex-DOM brings the power of functional reactive programming (FRP) to the web. Build HTML and other Document Object Model (DOM) data with a pure functional interface.
reflex-dynamic-containers - dynamic containers for reflex
ordrea - Push-pull implementation of discrete FRP with totally-ordered switchers
yampa-glut - Yampa adapter for GLUT
AFSM - Arrowized functional state machines
netwire - FRP library