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pcwalton's profile
Patrick Walton
Patrick Walton
Patrick Walton
@pcwalton

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Patrick Walton

@pcwalton

Research engineer at Mozilla

San Francisco, CA
pcwalton.github.io
Joined November 2009

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    1. Manish‏ @ManishEarth 18 Oct 2019
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      Replying to @erincandescent @matthew_d_green @bascule

      yes, "wrapping around an existing fixed oo API" is a harder problem to solve, but that's not the kind of thing Matthew seems to be talking about

      1 reply 0 retweets 2 likes
    2. Erin  ✨ 💽‏ @erincandescent 18 Oct 2019
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      Replying to @ManishEarth @matthew_d_green @bascule

      I don't even care about wrapping Building something in that pattern is also terrible. People might argue that there are better ways to write UIs... But all of them seem to be JavaScript

      4 replies 0 retweets 3 likes
    3. Manish‏ @ManishEarth 18 Oct 2019
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      Replying to @erincandescent

      The dominant pattern in rust for this these days is ECS (And c++ seems to be moving over to this too)

      2 replies 0 retweets 4 likes
    4. Erin  ✨ 💽‏ @erincandescent 18 Oct 2019
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      Replying to @ManishEarth

      I'm sure this has lots of merit, but.. .. That's a great pile of additional complexity you're bringing in

      1 reply 0 retweets 1 like
    5. Manish‏ @ManishEarth 18 Oct 2019
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      Replying to @erincandescent

      I don't see how OO isn't. especially for Rust's typesystem needs: making oo work with lifetime subtyping is hard we ran across a mini version of this problem for specialization and I don't think we ever properly could figure it out

      2 replies 0 retweets 8 likes
    6. Erin  ✨ 💽‏ @erincandescent 18 Oct 2019
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      Replying to @ManishEarth

      Maybe with your language designer hat on Not with the language user hat on

      2 replies 0 retweets 0 likes
    7. Manish‏ @ManishEarth 18 Oct 2019
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      Replying to @erincandescent

      No, I'm categorically stating that a rust with OO would be unpleasant and complex to use. Either the OO would be super unpleasant, or the lifetimes would be.

      1 reply 0 retweets 11 likes
    8. Manish‏ @ManishEarth 18 Oct 2019
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      Replying to @ManishEarth @erincandescent

      I'm saying this as someone who works full time on one of the few rust codebases that actually has an inheritance system (you need one to represent the DOM) I haven't done rust language design in ages

      1 reply 0 retweets 6 likes
    9. Patrick Walton‏ @pcwalton 18 Oct 2019
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      Replying to @ManishEarth @erincandescent

      The Rust community is REALLY opposed to OO. There has long been a conspiracy theory going around that Mozilla is secretly hellbent on adding classes to Rust over the objections of the community.

      3 replies 0 retweets 4 likes
    10. Yehuda Katz  🥨‏Verified account @wycats 18 Oct 2019
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      Replying to @pcwalton @ManishEarth @erincandescent

      Speaking only for myself, this doesn't match my understanding of the relationship between Rust and OO. Among other things, it seems to use a definition of OO that's carefully crafted to include stuff that Rust has and exclude stuff it doesn't.

      1 reply 0 retweets 3 likes
      Patrick Walton‏ @pcwalton 18 Oct 2019
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      Replying to @wycats @ManishEarth @erincandescent

      You mean the other way around? A definition of OO that excludes stuff Rust has and includes classes and inheritance?

      5:44 PM - 18 Oct 2019
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Yehuda Katz  🥨‏Verified account @wycats 18 Oct 2019
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          Replying to @pcwalton @ManishEarth @erincandescent

          Yeah. According to this, OO is not: - combining state with functions operating on state u - methods - polymorphism - ad hoc polymorphism - specialization Ok?

          1 reply 0 retweets 0 likes
        3. Patrick Walton‏ @pcwalton 18 Oct 2019
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          Replying to @wycats @ManishEarth @erincandescent

          Imprecise wording on my part. Replace “OO” with “classes and inheritance”.

          1 reply 0 retweets 1 like
        4. 16 more replies

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