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Add a few trait impls for AccessError #61491

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Merged
merged 2 commits into from Aug 5, 2019
Merged

Add a few trait impls for AccessError #61491

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d6c3196
Add a few trait impls for AccessError
Jun 3, 2019
d2c9c12
Add #[stable] to Error impl
Aug 4, 2019
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4 changes: 4 additions & 0 deletions src/libstd/thread/local.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@

#![unstable(feature = "thread_local_internals", issue = "0")]

use crate::error::Error;
use crate::fmt;

/// A thread local storage key which owns its contents.
Expand Down Expand Up @@ -189,6 +190,7 @@ macro_rules! __thread_local_inner {

/// An error returned by [`LocalKey::try_with`](struct.LocalKey.html#method.try_with).
#[stable(feature = "thread_local_try_with", since = "1.26.0")]
#[derive(Clone, Copy, Eq, PartialEq)]
pub struct AccessError {
_private: (),
}
Expand All @@ -207,6 +209,8 @@ impl fmt::Display for AccessError {
}
}

impl Error for AccessError {}
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We'll probably want a #[stable... attribute on this even though it does nothing today :)


impl<T: 'static> LocalKey<T> {
#[doc(hidden)]
#[unstable(feature = "thread_local_internals",
Expand Down