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sgrif's profile
Miss Dada 🏳️‍⚧️
Miss Dada 🏳️‍⚧️
Miss Dada  🏳️‍⚧️
@sgrif

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Miss Dada  🏳️‍⚧️

@sgrif

Co lead of the http://crates.io  team. Creator of @dieselframework. Former host of @_bikeshed and @_yakshave. Former Rails comitter. Enby. they/them

Albuquerque, NM
patreon.com/seantheprogram…
Joined November 2008

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    1. Manish‏ @ManishEarth Aug 18
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      Replying to @CryZe107 @sgrif @withoutboats

      No. I don't think that works. As someone who has written a LOT of ffi, you need these kinds of types and I'm not sure how to make these more FFI safe in the first place

      1 reply 0 retweets 3 likes
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    3. Manish‏ @ManishEarth Aug 18
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      Replying to @withoutboats @CryZe107 @sgrif

      but it's not an &c_char? But yes, having safer bindings using pointers works. you still need the raw stuff a lot

      2 replies 0 retweets 2 likes
    4. This Tweet is unavailable.
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    6. Miss Dada  🏳️‍⚧️‏ @sgrif Aug 18
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      Replying to @withoutboats @ManishEarth @CryZe107

      Even if the function is declared as taking a pointer, references implicitly coerce, so it's rather moot what the decl uses IMO

      1 reply 0 retweets 0 likes
    7. Manish‏ @ManishEarth Aug 18
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      Replying to @sgrif @withoutboats @CryZe107

      Er, to clarify my tweet, my problem is not with using &, it's that the type being taken is fundamentally a pointer to a list of chars, not just one, and it would be nicer if a separate type existed for that, the way we have c_void

      1 reply 0 retweets 2 likes
    8. Yaah  🦀‏ @yaahc_ Aug 18
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      Replying to @ManishEarth @sgrif and

      would @oli_obk's procedural vtable RFC address this?

      2 replies 0 retweets 0 likes
    9. Manish‏ @ManishEarth Aug 18
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      Replying to @yaahc_ @sgrif and

      it would if it allows for ZST DST fatness and also that DST pointers are repr(transparent) when the fatness is a ZST i'm not sure it does but iirc it does

      1 reply 0 retweets 1 like
    10. Yaah  🦀‏ @yaahc_ Aug 18
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      Replying to @ManishEarth @sgrif and

      I think it does allow that. here's the section on how it could be used for CStr https://github.com/oli-obk/rfcs/blob/procedural-vtables/text/0000-procedural-vtables.md#null-terminated-strings-stdfficstr …

      2 replies 0 retweets 3 likes
      Miss Dada  🏳️‍⚧️‏ @sgrif Aug 18
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      Replying to @yaahc_ @ManishEarth and

      You'd still need the signature to take that type though instead of a raw pointer

      7:27 AM - 18 Aug 2020
      • 1 Like
      • Yaah 🦀
      2 replies 0 retweets 1 like
        1. New conversation
        1. Manish‏ @ManishEarth Aug 18
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          Replying to @sgrif @yaahc_ and

          yeah, this doesn't obviate the need for CString, but it obviates the need for CString in footgun-prone APIs you control

          2 replies 0 retweets 2 likes
        2. Miss Dada  🏳️‍⚧️‏ @sgrif Aug 18
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          Replying to @ManishEarth @yaahc_ and

          For APIs you control is the key part here. I can already wrap things with a really small wrapper that takes &CStr. Removing the footgun for APIs you don't control is the important bit. If we're relying on all developers doing the thing that is more work we will be sad

          1 reply 0 retweets 1 like
        3. 12 more replies
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        1. Miss Dada  🏳️‍⚧️‏ @sgrif Aug 18
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          Replying to @sgrif @yaahc_ and

          Miss Dada  🏳️‍⚧️ Retweeted Miss Dada  🏳️‍⚧️

          https://twitter.com/sgrif/status/1295724479037890561?s=19 …

          Miss Dada  🏳️‍⚧️ added,

          Miss Dada  🏳️‍⚧️ @sgrif
          Replying to @CryZe107 @Lokathor and 2 others
          Sure, but now you have to change both `CString` *and* whatever it's being passed to, which you may or may not have control of. So I can't just release a "better CString" crate, I also have to release a "better libc" or whatever else to go along with it.
          1 reply 0 retweets 0 likes
        2. Yaah  🦀‏ @yaahc_ Aug 18
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          Replying to @sgrif @ManishEarth and

          I think my understanding here is being inhibited by the fact that I've never fucked with CString, so I'm not even sure what foot guns y'all are alluding too.

          1 reply 0 retweets 1 like
        3. 1 more reply

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