js-proposal-algebraic-effects
rmemo (Reactive Memo)
js-proposal-algebraic-effects | rmemo (Reactive Memo) | |
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3 | 2 | |
174 | 6 | |
- | - | |
0.0 | 9.4 | |
about 3 years ago | 5 days ago | |
JavaScript | JavaScript | |
- | Apache License 2.0 |
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js-proposal-algebraic-effects
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Proposal: Signals as a Built-In Primitive of JavaScript
I have to admit: you're perfectly right here. React of course always relied on mutable state in it's implementation β just so we don't have to. I derailed a lot here to keep this funny thread going ;) I'm still not with you on your definition of "functional", since you treated it synonymously with "purely functional". Functional means just made by applying and composing functions, and react UI is created exactly like that. There is an awesome algebraic effects proposal[1], which will hopefully will be added to JavaScript one day, then react will make use of it to become purely functional.
1: https://github.com/macabeus/js-proposal-algebraic-effects
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Letlang, a programming language targetting Rust - Road to v0.1
Super interesting, there is a proposal to add this to JavaScript and several languages that use this, unison, koka & eff. I had no idea this was even a thing!
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Go Replaces Interface{} with 'Any'
Ok I was wrongly assuming that panic was expecting an error type, in fact it's an interface{}.
> Your use of exceptions for flow control (i.e. goto) is considered harmful
Exceptions are a way to delegate error handling to the caller by giving them informations about the unexpected behavior. It implies that the expected behavior is the "happy path" (everything went well) and any deviations (errors) is unexpected.
This is far from a goto because you can have `try/finally` blocks without catch (or defer in golang).
Also, exceptions are just a kind of algebraic effects that do not resume. There was a proposal to JS for this: https://github.com/macabeus/js-proposal-algebraic-effects
This is also easier to test. assertRaises(ErrorType, func() { code... })
Almost every Go library I've seen just return an error (which is just a string), you'd need to parse it to assert that the correct error is returned in special conditions.
rmemo (Reactive Memo)
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Proposal: Signals as a Built-In Primitive of JavaScript
I was not aware of your library. Well done! I wrote rmemo which is a similar size. Different semantics though.
https://github.com/ctx-core/rmemo
- VanJS: A 0.9KB JavaScript UI framework
What are some alternatives?
mux - A powerful HTTP router and URL matcher for building Go web servers with π¦
van - π¦ VanJS: World's smallest reactive UI framework. Incredibly Powerful, Insanely Small - Everyone can build a useful UI app in an hour.
exhaustive - Check exhaustiveness of switch statements of enum-like constants in Go source code.
relementjs - reactive elements...browser & server rendering...tiny, fast, scales large, scales small
errors - Simple error handling primitives
ctx-core - ctx-core core (ctx-core^2) libraries...used by @ctx-core/* libraries. The development monorepo has been moved to @ctx-core/dev
rustic_result - Result monad for Elixir inspired by Rust Result type
relysjs - Reactive Web app server focusing on MPAs with a simple server route & browser build api...uses Bunjs, Elysia, ESBuild, rmemo, & ctx-core
rmemo