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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. ghost mountain‏ @mountain_ghosts 26 Dec 2016
      Replying to @mountain_ghosts

      so figuring out who "owns" what and what state everything is in *before* yielding to user code is crucial and easily broken

      2 replies 0 retweets 1 like
    2. Yehuda Katz  🥨‏Verified account @wycats 26 Dec 2016
      Replying to @mountain_ghosts

      the first thing you learn when writing rust is how less rigorous you were than you thought.

      2 replies 0 retweets 3 likes
    3. ghost mountain‏ @mountain_ghosts 26 Dec 2016
      Replying to @wycats

      I'm trying to arrange things so there's usually only one pointer to something in existence, which is tricky

      2 replies 0 retweets 0 likes
    4. Yehuda Katz  🥨‏Verified account @wycats 26 Dec 2016
      Replying to @mountain_ghosts

      borrowing is an important trick in rust and very easy to mess up.

      1 reply 0 retweets 0 likes
    5. ghost mountain‏ @mountain_ghosts 26 Dec 2016
      Replying to @wycats

      even when I have multiple pointers, I've a clear idea of who should clean them up

      1 reply 0 retweets 0 likes
    6. ghost mountain‏ @mountain_ghosts 26 Dec 2016
      Replying to @mountain_ghosts @wycats

      the hardest thing so far is the control flow around yielding to user code and how that failing might break your memory management

      2 replies 0 retweets 1 like
    7. Mx. Evan Phoenix‏ @evanphx 26 Dec 2016
      Replying to @mountain_ghosts @wycats

      you'll need a generous helping of rb_protect

      1 reply 0 retweets 0 likes
    8. ghost mountain‏ @mountain_ghosts 26 Dec 2016
      Replying to @evanphx @wycats

      ooh nice

      1 reply 0 retweets 0 likes
    9. ghost mountain‏ @mountain_ghosts 26 Dec 2016
      Replying to @mountain_ghosts @evanphx

      does the `body` function take a single ruby-array VALUE (http://phrogz.net/programmingruby/ext_ruby.html … is not clear)

      2 replies 0 retweets 0 likes
    10. Mx. Evan Phoenix‏ @evanphx 26 Dec 2016
      Replying to @mountain_ghosts

      The signature there suuuucks. Basically the function is called with args passed directly, so you can have it be whatever.

      1 reply 0 retweets 0 likes
      Yehuda Katz  🥨‏Verified account @wycats 26 Dec 2016
      Replying to @evanphx @mountain_ghosts

      yeah. My plan for helix is to use rb_protect around the call sites, then panic up to the FFI boundary.

      2:48 PM - 26 Dec 2016
      2 replies 0 retweets 0 likes
        1. Yehuda Katz  🥨‏Verified account @wycats 26 Dec 2016
          Replying to @wycats @evanphx @mountain_ghosts

          then re-raise. That way normal unwinding takes care of normal cleanup.

          0 replies 0 retweets 0 likes
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        2. Bo Jeanes‏ @bjeanes 26 Dec 2016
          Replying to @wycats

          is like to use helix for a project shortly. Is it still active then? It seemed dormant when I looked into it a couple of months ago.

          1 reply 0 retweets 0 likes
        3. Yehuda Katz  🥨‏Verified account @wycats 26 Dec 2016
          Replying to @bjeanes

          we plan to get back to it after the new year -- the goal is to get Skylight to use it (so some work time is justified)

          0 replies 0 retweets 1 like
        4. End of conversation

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