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Update src/libstd/error.rs

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Co-Authored-By: Mazdak Farrokhzad <twingoow@gmail.com>
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Steven Fackler 2019-05-16 20:18:29 -07:00 committed by GitHub
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commit 686a611b9e
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src/libstd/error.rs
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@ -207,7 +207,7 @@ pub trait Error: Debug + Display {
}
mod private {
// this is a hack to prevent type_id from being overridden by Error
// This is a hack to prevent `type_id` from being overridden by `Error`
// implementations, since that can enable unsound downcasting.
#[unstable(feature = "error_type_id", issue = "60784")]
#[derive(Debug)]