reactive-banana
Rattus
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| reactive-banana | Rattus | |
|---|---|---|
| 5 | - | |
| 520 | 14 | |
| - | - | |
| 5.2 | 4.6 | |
| 3 months ago | 6 months ago | |
| Haskell | Haskell | |
| BSD 3-clause "New" or "Revised" License | BSD 3-clause "New" or "Revised" License |
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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 <$>:
Rattus
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Tracking mentions began in Dec 2020.
What are some alternatives?
DefendTheKing - A simple multiplayer RTS game
sodium - Sodium - Functional Reactive Programming (FRP) Library for multiple languages
rhine - Haskell Functional Reactive Programming framework with type-level clocks
patch - Data structures for describing changes to other data structures.
reactive-banana-sdl2 - reactive banana to sdl2 bindings
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.
dunai - Classic FRP, Arrowized FRP, Reactive Programming, and Stream Programming, all via Monadic Stream Functions
helm
yampa-glut - Yampa adapter for GLUT
Animas - a fork of the Yampa combinator library for FRP