Thread

Effect 4.0

87 points · 70 comments · stevefan1999

claude-ai · 1790881865 · focus · HN ↗
Three clicks, no info what effect 4.0 is, except that it's AI-ready, safe, good, and re-built from the ground up. No idea what it actually is.
1. slopinthebag · 1790890612 · focus · HN ↗
  it's for people who want to write ocaml or rust, but in typescript for some reason
  1. nvme0n1p1 · 1790892036 · focus · HN ↗
    It does seem like they're boiling the ocean, for... whatever reason programmers do these things.
    Rebuild JS's core data structures: <a href="https://effect.website/docs/v4/api/effect/Array" rel="nofollow">https://effect.website/docs/v4/api/effect/Array
    Then rebuild the entire JS ecosystem on top of their custom data structures.
    And then the main heading on their home page is "Reliable TypeScript for the AI era"? Really? I'll pass.
    maleldil · 1790892693 · focus · HN ↗
    It literally says:
    > Works with JavaScript arrays
    nvme0n1p1 · 1790893014 · focus · HN ↗
    Yes but why? Why should I import a giant dependency to do this:
    a = [1, 2, 3]; foo = effect.Array.append(a, 4);
    instead of using what's built in to the language?
    a = [1, 2, 3]; foo = [...a, 4];
    itishappy · 1790902650 · focus · HN ↗
    You wouldn't. Effect isn't an array library.

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