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Allow deriving traits on the Error #134

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Yamakaky opened this issue Feb 21, 2017 · 8 comments · May be fixed by #163
Open

Allow deriving traits on the Error #134

Yamakaky opened this issue Feb 21, 2017 · 8 comments · May be fixed by #163

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@Yamakaky
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Yamakaky commented Feb 21, 2017 •
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Possible syntax:

error_chain! {
  derive { Eq, PartialEq }
  ...
}

We may have to add a trait which the chained errors would have to implement.
This was referenced Feb 21, 2017
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anowell pushed a commit to anowell/algorithmia-rust that referenced this issue Apr 5, 2017
Downgrade error-crate to get Sync bound
296b8ba 
Needing a `Sync` bound, so we're downgrading
  temporarily to get it while keeping an eye on:
  rust-lang-deprecated/error-chain#134
@TedDriggs
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Should this be done as "attrs" or something that would also allow passing attributes for proc macro crates like serde_derive?

@flier flier mentioned this issue May 3, 2017
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@Cldfire Cldfire mentioned this issue May 18, 2017
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@rnewman rnewman mentioned this issue Jun 16, 2017
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@pengowen123 pengowen123 linked a pull request Jul 1, 2017 that will close this issue
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@brson brson mentioned this issue Jul 24, 2017
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@kpcyrd
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kpcyrd commented Nov 29, 2017

Any news? Ran into this problem while I was trying to use pseudo :)

@c410-f3r c410-f3r mentioned this issue Feb 2, 2018
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@ivanovaleksey
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Hello, are there any updates in this?

@lneicelis
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Any updates?

@kpcyrd
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kpcyrd commented Oct 30, 2020

I've switched to failure in the meantime, and then switched to anyhow after that, I'm not sure if people still work on error-chain

@Yamakaky
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Yamakaky commented Oct 30, 2020 •
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no, anyhow + thiserror is better so I don't think there is more work on error-chain.

@AndyGauge
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error-chain does not have new features developed, but there is an effort to keep it working as breaking changes are introduced from rust-lang. Probably better to find a different library (if you even need one) for new projects.

@lneicelis
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Thank you!

@jbaublitz jbaublitz mentioned this issue Jun 24, 2021
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[WIP] Add derive block for deriving additional traits on error types pengowen123/error-chain
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@Yamakaky @TedDriggs @lneicelis @AndyGauge @kpcyrd @ivanovaleksey