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Add a remark about the implicit implementation of Send and make a test for it #28314

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Merged
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Sep 17, 2015
Merged

Add a remark about the implicit implementation of Send and make a test for it #28314

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3 changes: 3 additions & 0 deletions src/libcore/sync/atomic.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,7 @@ impl Default for AtomicBool {
}
}

// Send is implicitly implemented for AtomicBool.
unsafe impl Sync for AtomicBool {}

/// A signed integer type which can be safely shared between threads.
Expand All @@ -106,6 +107,7 @@ impl Default for AtomicIsize {
}
}

// Send is implicitly implemented for AtomicIsize.
unsafe impl Sync for AtomicIsize {}

/// An unsigned integer type which can be safely shared between threads.
Expand All @@ -120,6 +122,7 @@ impl Default for AtomicUsize {
}
}

// Send is implicitly implemented for AtomicUsize.
unsafe impl Sync for AtomicUsize {}

/// A raw pointer type which can be safely shared between threads.
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