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BRIAN_____'s profile
Brian Smith
Brian Smith
Brian Smith
@BRIAN_____

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Brian Smith

@BRIAN_____

Code farmer. Security, crypto, performance, networking, usability. Rust, C++, C, Haskell, DSLs, etc. *ring*, webpki, crypto-bench, mozilla::pkix.

Honolulu & San Francisco
briansmith.org
Joined April 2008

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    1. Who ordered *that*?‏ @ManishEarth 21 Jan 2017

      Rust pop quiz: if T: Clone, what does x.clone() do when (a) x is &T, (b) x is &&T:

      6 replies 6 retweets 11 likes
      Brian Smith‏ @BRIAN_____ 22 Jan 2017
      Replying to @ManishEarth

      How terrible would it be to code in Rust without auto-deref? What would be the most painful thing?

      1:53 AM - 22 Jan 2017
      2 replies 0 retweets 0 likes
        1. New conversation
        2. Who ordered *that*?‏ @ManishEarth 22 Jan 2017
          Replying to @BRIAN_____

          Question is underspecified, what else can I change? Autoderef gets invoked quite often.

          1 reply 0 retweets 0 likes
        3. Who ordered *that*?‏ @ManishEarth 22 Jan 2017
          Replying to @ManishEarth @BRIAN_____

          Without autoderef, &self methods wouldn't work.

          1 reply 0 retweets 0 likes
        4. Who ordered *that*?‏ @ManishEarth 22 Jan 2017
          Replying to @ManishEarth @BRIAN_____

          You'd have (&foo).bar() very often. The whole &self thing is kinda designed around autoderef.

          1 reply 0 retweets 0 likes
        5. corvus frugilegus‏ @glaebhoerl 22 Jan 2017
          Replying to @ManishEarth @BRIAN_____

          that's actually autoref isn't it

          1 reply 0 retweets 0 likes
        6. Who ordered *that*?‏ @ManishEarth 22 Jan 2017
          Replying to @glaebhoerl @BRIAN_____

          I consider that a part of autoderef (and is part of the reason why the &&T question above is confusing)

          1 reply 0 retweets 0 likes
        7. corvus frugilegus‏ @glaebhoerl 22 Jan 2017
          Replying to @ManishEarth @BRIAN_____

          anyway, I supported having separate . and -> operators like C++, instead of C++ (otherwise all the ergonomics go \

          1 reply 0 retweets 0 likes
        8. corvus frugilegus‏ @glaebhoerl 22 Jan 2017
          Replying to @glaebhoerl @ManishEarth @BRIAN_____

          /* ARGH. wanted to write: instead of autoderef */

          2 replies 0 retweets 0 likes
        9. Who ordered *that*?‏ @ManishEarth 22 Jan 2017
          Replying to @glaebhoerl @BRIAN_____

          I think autoref without autoderef wouldn't be too bad fwiw. Just makes boxes and rcs annoying.

          1 reply 0 retweets 0 likes
        10. 5 more replies
        1. New conversation
        2. Lars Bergstrom‏ @larsberg_ 22 Jan 2017
          Replying to @BRIAN_____ @ManishEarth

          Having written Servo before autoderef, it had a ton of &**. And people just sort of added * and & until it compiled

          1 reply 0 retweets 2 likes
        3. corvus frugilegus‏ @glaebhoerl 22 Jan 2017
          Replying to @larsberg_ @BRIAN_____ @ManishEarth

          are you talking about autoderef, or about deref coercions? (autoderef is *much* older)

          1 reply 0 retweets 1 like
        4. Who ordered *that*?‏ @ManishEarth 22 Jan 2017
          Replying to @glaebhoerl @larsberg_ @BRIAN_____

          I recall deref coercions making Servo code ugly. Wasn't there pre-autoderef

          1 reply 0 retweets 0 likes
        5. Alexis Beingessner‏ @Gankro 22 Jan 2017
          Replying to @ManishEarth @glaebhoerl and

          how could they make code uglier

          1 reply 0 retweets 1 like
        6. Who ordered *that*?‏ @ManishEarth 22 Jan 2017
          Replying to @Gankro @glaebhoerl and

          oh shut up Swift's grammar is 50% devoted to describing closures :P

          1 reply 0 retweets 1 like
        7. Alexis Beingessner‏ @Gankro 22 Jan 2017
          Replying to @ManishEarth @glaebhoerl and

          ??? No I mean deref coercions literally lead to less code, strictly

          1 reply 0 retweets 0 likes
        8. Who ordered *that*?‏ @ManishEarth 22 Jan 2017
          Replying to @Gankro @glaebhoerl and

          Oh ok I thought you were saying "Rust can't be uglier" :p

          1 reply 0 retweets 0 likes
        9. Who ordered *that*?‏ @ManishEarth 22 Jan 2017
          Replying to @ManishEarth @Gankro @larsberg_

          That comment was made with a reversed arrow of time. I meant "lack of deref coercions" made code ugly

          0 replies 0 retweets 0 likes
        10. End of conversation

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