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wycats's profile
Yehuda Katz 🥨
Yehuda Katz 🥨
Yehuda Katz  🥨
Verified account
@wycats

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Yehuda Katz  🥨Verified account

@wycats

Tilde Co-Founder, OSS enthusiast and world traveler.

Portland, OR
yehudakatz.com
Joined August 2007

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    1. Chris Krycho‏ @chriskrycho Mar 30

      There is a very short list of things I wish @typescriptlang did differently, but at the top, and by a mile is: embracing soundness as an explicit goal. Soundness empowers developers to be productive, especially in the long life of a project: it’s a super-power for *refactoring*.

      2 replies 0 retweets 9 likes
    2. Jonathan Turner‏ @jntrnr Mar 30
      Replying to @chriskrycho @typescriptlang

      That sounds nice in theory, in practice, it would definitely negatively impact the things about TypeScript you like. Some examples: invariance in array elements would mean difficult interop with existing JS libraries and their arrays. Runtime overhead for extra typechecking etc

      2 replies 0 retweets 4 likes
    3. Daniel Rosenwasser‏ @drosenwasser Mar 30
      Replying to @jntrnr @chriskrycho @typescriptlang

      Another example: the DOM hierarchy can't be typed in a safe, useful, and substitutable manner. Pick two. 🙂

      1 reply 0 retweets 1 like
    4. Daniel Rosenwasser‏ @drosenwasser Mar 30
      Replying to @drosenwasser @jntrnr and

      Also, I just want to point out that we don't flippantly make decisions with the mindset of "lol soundness". Soundness is the default. But a *probably sound* language would be a different beast.

      1 reply 0 retweets 2 likes
    5. Chris Krycho‏ @chriskrycho Mar 30
      Replying to @drosenwasser @jntrnr @typescriptlang

      To be clear I have enormous respect for TS and the team. I regularly tell people truthfully that I’m deeply impressed by it, and it has some astounding type system capabilities.

      1 reply 0 retweets 1 like
    6. Chris Krycho‏ @chriskrycho Mar 30
      Replying to @chriskrycho @drosenwasser and

      But I do *not* place the same priority on trivial interop that a lot of people do. I would rather be truly sound and do some extra work to get there because then I can 100% trust my tools. I can roughly 90% trust TS. That’s a frustrating spot to be.

      2 replies 0 retweets 1 like
      Yehuda Katz  🥨‏Verified account @wycats Mar 30
      Replying to @chriskrycho @drosenwasser and

      To be clear, there is no reason at all these need to conflict. Strict modes already square the circle, and I'd be delighted to hear that TS had a goal to support soundness via a strict mode with harsher interop.

      6:32 PM - 30 Mar 2018
      • 1 Like
      • Chris Krycho
      1 reply 0 retweets 1 like
        1. New conversation
        2. Chris Krycho‏ @chriskrycho Mar 30
          Replying to @wycats @drosenwasser and

          Yeah, a `sound` mode that let you opt into the same kind of “must manage types at boundaries” the same way a few languages in the compile-to-JS space play would be very welcome. It wouldn’t always work with existing libraries, but the state of play today ≠ the state tomorrow.

          1 reply 0 retweets 1 like
        3. Jonathan Turner‏ @jntrnr Mar 30
          Replying to @chriskrycho @wycats and

          Right, that I could potentially see. When we first started designing TS, we didn't really have separate mode in mind. But with strictness modes, you can imagine an "11"

          0 replies 0 retweets 1 like
        4. End of conversation

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