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Update library/std/src/io/error.rs

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Co-authored-by: Josh Triplett <josh@joshtriplett.org>
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Dylan DPC 2022-02-23 23:18:42 +01:00 committed by GitHub
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library/std/src/io/error.rs
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@ -148,7 +148,7 @@ struct Custom {
/// "all other errors".
///
/// In comprehensive and thorough tests that want to verify that a test doesn't return any known incorrect error kind,
/// you may want to cut-and-paste the current list of errors from here into your test code. This seems counterintuitive,
/// you may want to cut-and-paste the current full list of errors from here into your test code, and then match `_` as the correct case. This seems counterintuitive,
/// but it will make your tests more robust. In particular, if you want to verify that your code does produce an
/// unrecognized error kind, the robust solution is to check for all the recognized error kinds and fail in those cases.
#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]