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yoshuawuyts's profile
yosh
yosh
yosh
@yoshuawuyts

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yosh

@yoshuawuyts

Software researcher. he/they

Berlin, UTC+2
blog.yoshuawuyts.com
Joined May 2009

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    1. Yaah  🍑 🦀 ☕‏ @yaahc_ 9 Dec 2019
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      Can I get some recommendations for error formatting crates? I find myself wanting something more feature rich than `format!`

      5 replies 1 retweet 13 likes
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    2. Yaah  🍑 🦀 ☕‏ @yaahc_ 9 Dec 2019
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      Here's what I want. * specify an error message and pass in variables like format! * be able to suggest fixes or add notes and additional info like rustc errors * integrate with `tracing` so it can pull in the span context info.

      2 replies 0 retweets 4 likes
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    3. Yaah  🍑 🦀 ☕‏ @yaahc_ 9 Dec 2019
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      * tracing style structured logging like so I can write something like `f!(host, "Unable to connect to remote host");` which would render as `Unable to connect to host. host=Host("hostname")` * plays nicely with anyhow::Error and Context and how it renders errors and error chains.

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    4. Yaah  🍑 🦀 ☕‏ @yaahc_ 9 Dec 2019
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      I'm pretty confident nothing out there hits all of these requirements, but I bet theres some crates that come close and I can either build what I want ontop of them or do some PRs to get what I want, now I just need to find them.

      2 replies 0 retweets 2 likes
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    5. Yaah  🍑 🦀 ☕‏ @yaahc_ 9 Dec 2019
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      For example, I dont think anything integrates with tracing, or even likely provides tracing-like structured logging. I'm hoping to get a nice format! alternative that is tracing aware that I could use to pass strings into the error formatting crate.

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    6. Yaah  🍑 🦀 ☕‏ @yaahc_ 9 Dec 2019
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      Here's my shittiest quick and dirty version of attempting to replicate what I want. Not necessarily this output format or this API but this general set of features and use case. The format! at the end is a hand rolled version of tracing ISH context I want to shove in.pic.twitter.com/nP8b3W1TFT

      2 replies 0 retweets 6 likes
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      yosh‏ @yoshuawuyts 9 Dec 2019
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      Replying to @yaahc_

      yosh Retweeted yosh

      Haa, was just thinking about doing something similar: https://twitter.com/yoshuawuyts/status/1204049586689474561?s=19 … Now wondering if there could be a nice way to go string -> io::Error for example. Perhaps using `?`.

      yosh added,

      let msg = thingy::error(input, 260, "expected type, found `22`")
     .error(3, 30, "and here's an error".to_string())
     .help("try using a foobs intead".to_string());

println!("{}", msg");
  
// error: expected type, found `22`
//     |
// 260 |   This is an example
//     |  ____^
// 261 | | content of the slice
//     | |___________^ and here's a warning
// 262 |   which will be annotated
// 263 |   with the l
      yosh @yoshuawuyts
      I think this should be possible (going to hack on it tomorrow on the plane I think). Step 2 would then to build a Cursor wrapper that makes it trivial to get the right indexes. Could keep track of stuff like: "give me the index I was at 2 reads ago", etc. Need to workshop this. pic.twitter.com/ZQO6orIV0f
      Show this thread
      2:08 PM - 9 Dec 2019 from Taito-ku, Tokyo
      • 1 Like
      • Flora Cat!
      0 replies 0 retweets 1 like

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