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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. Patrick Walton‏ @pcwalton 7 Jul 2019
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      I've seen Go folks say, in effect, "Rust's experience with try doesn't apply to Go because Rust users don't have as strong opinions on readability as we do." Oh, you sweet summer child...

      9 replies 23 retweets 323 likes
    2. elucent‏ @elucentdev 8 Jul 2019
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      Replying to @pcwalton @KirinDave

      not a Go fan or an avid Rust user, but if you pardon my bluntness, those strong opinions don’t really amount to much? readability is probably the only thing Go debatably does better than Rust, and every time I try to get into the language the syntax is the wall I hit

      2 replies 0 retweets 0 likes
    3. gray‏ @fu5ha 8 Jul 2019
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      Replying to @elucentdev @pcwalton @KirinDave

      Readability =\= familiarity to a C programmer. Once you *do* learn rust syntax and get used to it I would say it’s one of if not the most readable languages because of things like try/?, everything is an expression, FP constructs on iterators, etc.

      1 reply 0 retweets 3 likes
    4. elucent‏ @elucentdev 8 Jul 2019
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      Replying to @fu5ha @pcwalton @KirinDave

      1) I'd argue familiarity does matter - Rust aims to replace C, targets C programmers, but is slow to learn from C due to its complexity 2) While a clear step up from C, the benefits you list have been done in other languages without nearly as much token bloat - e.g. Scala/Kotlin

      2 replies 0 retweets 0 likes
    5. ⏐ Τhе Αnⅽⅰеnt Вооеr ⏐‏ @KirinDave 8 Jul 2019
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      Replying to @elucentdev @fu5ha @pcwalton

      Are we implying Rust has more "token bloat" than Scala? That's... Not right.

      2 replies 0 retweets 1 like
    6. elucent‏ @elucentdev 8 Jul 2019
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      Replying to @KirinDave @fu5ha @pcwalton

      I wouldn't say it has less. I'm not sure how Rust justifies things like "&'a" as intuitive, and macro syntax is a nightmare. These aren't the most common cases, but neither are a lot of the obscure operators and tokens in Scala.

      1 reply 0 retweets 1 like
    7. Patrick Walton‏ @pcwalton 8 Jul 2019
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      Replying to @elucentdev @KirinDave @fu5ha

      What other syntax would you prefer for lifetimes and macros?

      1 reply 0 retweets 1 like
      Patrick Walton‏ @pcwalton 8 Jul 2019
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      Replying to @pcwalton @elucentdev and

      Keep in mind lifetimes and macros are concepts don’t exist in most languages (and no, they couldn’t be left out of the language without either adding GC or compromising memory safety).

      2:40 PM - 8 Jul 2019
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      1 reply 0 retweets 1 like
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        2. elucent‏ @elucentdev 8 Jul 2019
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          Replying to @pcwalton @KirinDave @fu5ha

          Which is a good point, and I don't have a magic solution off the top of my head. But I also don't think that means it is somehow impossible to improve on, or that it isn't a problem.

          1 reply 0 retweets 0 likes
        3. Patrick Walton‏ @pcwalton 8 Jul 2019
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          Replying to @elucentdev @KirinDave @fu5ha

          I don’t see any way to do memory safety without GC without any adding new concepts. I think we need to accept that sometimes people have to learn new concepts. The alternative is restricting ourselves to language design from the ‘80s for no reason other than nostalgia.

          1 reply 0 retweets 1 like
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